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Saturday 28 April 2018

On the holy scriptures: The Watchtower society's commentary.

BIBLE


The Holy Scriptures, the inspired Word of Jehovah, acknowledged as the greatest book of all times because of its antiquity, its total circulation, the number of languages into which it has been translated, its surpassing greatness as a literary masterpiece, and its overwhelming importance to all mankind. Independent of all other books, it imitates no other. It stands on its own merits, giving credit to its unique Author. The Bible is also distinguished as having survived more violent controversy than any other book, hated as it is by many enemies.

Name. The English word “Bible” comes through the Latin from the Greek word bi·bliʹa, meaning “little books.” This, in turn, is derived from biʹblos, a word that describes the inner part of the papyrus plant out of which a primitive form of paper was made. The Phoenician city of Gebal, famous for its papyrus trade, was called by the Greeks “Byblos.” (See Jos 13:5, ftn.) In time bi·bliʹa came to describe various writings, scrolls, books, and eventually the collection of little books that make up the Bible. Jerome called this collection Bibliotheca Divina, the Divine Library.

Jesus and writers of the Christian Greek Scriptures referred to the collection of sacred writings as “the Scriptures,” or “the holy Scriptures,” “the holy writings.” (Mt 21:42; Mr 14:49; Lu 24:32; Joh 5:39; Ac 18:24; Ro 1:2; 15:4; 2Ti 3:15, 16) The collection is the written expression of a communicating God, the Word of God, and this is acknowledged in phrases such as “expression of Jehovah’s mouth” (De 8:3), “sayings of Jehovah” (Jos 24:27), “commandments of Jehovah” (Ezr 7:11), “law of Jehovah,” “reminder of Jehovah,” “orders from Jehovah” (Ps 19:7, 8), “word of Jehovah” (Isa 38:4), ‘utterance of Jehovah’ (Mt 4:4), “Jehovah’s word” (1Th 4:15). Repeatedly these writings are spoken of as “sacred pronouncements of God.”​—Ro 3:2; Ac 7:38; Heb 5:12; 1Pe 4:11.

Divisions. Sixty-six individual books from Genesis to Revelation make up the Bible canon. The choice of these particular books, and the rejection of many others, is evidence that the Divine Author not only inspired their writing but also carefully guarded their collection and preservation within the sacred catalog. (See APOCRYPHA; CANON.) Thirty-nine of the 66 books, making up three quarters of the Bible’s contents, are known as the Hebrew Scriptures, all having been initially written in that language with the exception of a few small sections written in Aramaic. (Ezr 4:8–6:18; 7:12-26; Jer 10:11; Da 2:4b–7:28) By combining some of these books, the Jews had a total of only 22 or 24 books, yet these embraced the same material. It also appears to have been their custom to subdivide the Scriptures into three parts​—‘the law of Moses, the Prophets, and the Psalms.’ (Lu 24:44; see HEBREW SCRIPTURES.) The last quarter of the Bible is known as the Christian Greek Scriptures, so designated because the 27 books comprising this section were written in Greek. The writing, collecting, and arrangement of these books within the Bible’s canon also demonstrate Jehovah’s supervision from start to finish.​—See CHRISTIAN GREEK SCRIPTURES.

Subdividing the Bible into chapters and verses (KJ has 1,189 chapters and 31,102 verses) was not done by the original writers, but it was a very useful device added centuries later. The Masoretes divided the Hebrew Scriptures into verses; then in the 13th century of our Common Era chapter divisions were added. Finally, in 1553 Robert Estienne’s edition of the French Bible was published as the first complete Bible with the present chapter and verse divisions.

The 66 Bible books all together form but a single work, a complete whole. As the chapter and verse marks are only convenient aids for Bible study and are not intended to detract from the unity of the whole, so also is the sectioning of the Bible, which is done according to the predominant language in which the manuscripts have come down to us. We, therefore, have both the Hebrew and Greek Scriptures, with “Christian” added to the latter to distinguish them from the Greek Septuagint, which is the Hebrew portion of the Scriptures translated into Greek.

“Old Testament” and “New Testament.” Today it is a common practice to refer to the Scriptures written in Hebrew and Aramaic as the “Old Testament.” This is based on the reading in 2 Corinthians 3:14 in the Latin Vulgate and the King James Version. However, the rendering “old testament” in this text is incorrect. The Greek word di·a·theʹkes here means “covenant,” as it does in the other 32 places where it occurs in the Greek text. Many modern translations correctly read “old covenant.” (NE, RS, JB) The apostle Paul is not referring to the Hebrew and Aramaic Scriptures in their entirety. Neither does he mean that the inspired Christian writings constitute a “new testament (or, covenant).” The apostle is speaking of the old Law covenant, which was recorded by Moses in the Pentateuch and which makes up only a part of the pre-Christian Scriptures. For this reason he says in the next verse, “whenever Moses is read.”

Hence, there is no valid basis for the Hebrew and Aramaic Scriptures to be called the “Old Testament” and for the Christian Greek Scriptures to be called the “New Testament.” Jesus Christ himself referred to the collection of sacred writings as “the Scriptures.” (Mt 21:42; Mr 14:49; Joh 5:39) The apostle Paul referred to them as “the holy Scriptures,” “the Scriptures,” and “the holy writings.”​—Ro 1:2; 15:4; 2Ti 3:15.

Authorship. The accompanying table shows that about 40 human secretaries or scribes were used by the one Author to record the inspired Word of Jehovah. “All Scripture is inspired of God,” and this includes the writings in the Christian Greek Scriptures along with “the rest of the Scriptures.” (2Ti 3:16; 2Pe 3:15, 16) This expression “inspired of God” translated the Greek phrase the·oʹpneu·stos, meaning “God-breathed.” By ‘breathing’ on faithful men, God caused his spirit, or active force, to become operative upon them and directed what he wanted recorded, for, as it is written, “prophecy was at no time brought by man’s will, but men spoke from God as they were borne along by holy spirit.”​—2Pe 1:21; Joh 20:21, 22; see INSPIRATION.

This unseen holy spirit of God is his symbolic “finger.” Therefore, when men saw Moses perform supernatural feats they exclaimed: “It is the finger of God!” (Ex 8:18, 19; compare with Jesus’ words at Mt 12:22, 28; Lu 11:20.) In a similar display of divine power “God’s finger” began the writing of the Bible by carving out the Ten Commandments on stone tablets. (Ex 31:18; De 9:10) It would, therefore, be a simple matter for Jehovah to use men as his scribes even though some were “unlettered and ordinary” in scholastic training (Ac 4:13), and regardless of whether the individual was by trade a shepherd, farmer, tentmaker, fisherman, tax collector, physician, priest, prophet, or king. Jehovah’s active force put the thoughts into the writer’s mind and, in certain instances, allowed him to express the divine thought in his own words, thus permitting personality and individual traits to show through the writing, yet at the same time maintaining a superb oneness in theme and in purpose throughout. In this way the resultant Bible, reflecting as it does the mind and will of Jehovah, exceeded in wealth and in scope the writings of mere men. The Almighty God saw to it that his written Word of truth was in language easily understood and easily translated into practically any tongue.

No other book took so long to complete as the Bible. In 1513 B.C.E. Moses began Bible writing. Other sacred writings were added to the inspired Scriptures until sometime after 443 B.C.E. when Nehemiah and Malachi completed their books. Then there was a gap in Bible writing for almost 500 years, until the apostle Matthew penned his historic account. Nearly 60 years later John, the last of the apostles, contributed his Gospel and three letters to complete the Bible’s canon. So, all together, a period of some 1,610 years was involved in producing the Bible. All the cowriters were Hebrews and, hence, part of that people “entrusted with the sacred pronouncements of God.”​—Ro 3:2.

The Bible is not an unrelated assortment or collection of heterogeneous fragments from Jewish and Christian literature. Rather, it is an organizational book, highly unified and interconnected in its various segments, which indeed reflect the systematic orderliness of the Creator-Author himself. God’s dealings with Israel in giving them a comprehensive law code as well as regulations governing matters even down to small details of camp life​—things that were later mirrored in the Davidic kingdom as well as in the congregational arrangement among first-century Christians—​reflect and magnify this organizational aspect of the Bible.

Contents. In contents this Book of Books reveals the past, explains the present, and foretells the future. These are matters that only He who knows the end from the beginning could author. (Isa 46:10) Starting at the beginning by telling of the creation of heaven and earth, the Bible next gives a sweeping account of the events that prepared the earth for man’s habitation. Then the truly scientific explanation of the origin of man is revealed​—how life comes only from a Life-Giver—​facts that only the Creator now in the role of Author could explain. (Ge 1:26-28; 2:7) With the account of why men die, the overriding theme that permeates the whole Bible was introduced. This theme, the vindication of Jehovah’s sovereignty and the ultimate fulfillment of his purpose for the earth, by means of his Kingdom under Christ, the promised Seed, was wrapped up in the first prophecy concerning ‘the seed of the woman.’ (Ge 3:15) More than 2,000 years passed before this promise of a “seed” was again mentioned, God telling Abraham: “By means of your seed all nations of the earth will certainly bless themselves.” (Ge 22:18) Over 800 years later, renewed assurance was given to Abraham’s descendant King David, and with the passing of more time Jehovah’s prophets kept this flame of hope burning brightly. (2Sa 7:12, 16; Isa 9:6, 7) More than 1,000 years after David and 4,000 years after the original prophecy in Eden, the Promised Seed himself appeared, Jesus Christ, the legal heir to “the throne of David his father.” (Lu 1:31-33; Ga 3:16) Bruised in death by the earthly seed of the “serpent,” this “Son of the Most High” provided the ransom purchase price for the life rights lost to Adam’s offspring, thus providing the only means whereby mankind can get everlasting life. He was then raised on high, there to await the appointed time to hurl “the original serpent, the one called Devil and Satan,” down to the earth, finally to be destroyed forever. Thus the magnificent theme announced in Genesis and developed and enlarged upon throughout the balance of the Bible is, in the closing chapters of Revelation, brought to a glorious climax as Jehovah’s grand purpose by means of his Kingdom is made apparent.​—Re 11:15; 12:1-12, 17; 19:11-16; 20:1-3, 7-10; 21:1-5; 22:3-5.

Through this Kingdom under Christ the Promised Seed, Jehovah’s sovereignty will be vindicated and his name will be sanctified. Following through on this theme, the Bible magnifies God’s personal name to a greater extent than any other book; the name occurs 6,973 times in the Hebrew Scripture portion of the New World Translation. That is in addition to the use of the shorter form “Jah” and the scores of instances where it combines to form other names like “Jehoshua,” meaning “Jehovah Is Salvation.” (See JEHOVAH [Importance of the Name].) We would not know the Creator’s name, the great issue involving his sovereignty raised by the Edenic rebellion, or God’s purpose to sanctify his name and vindicate his sovereignty before all creation if these things were not revealed in the Bible.

In this library of 66 little books the theme of the Kingdom and Jehovah’s name are closely interwoven with information on many subjects. Its reference to fields of knowledge such as agriculture, architecture, astronomy, chemistry, commerce, engineering, ethnology, government, hygiene, music, poetry, philology, and tactical warfare is only incidental to development of the theme; not as a treatise. Nevertheless, it contains a veritable treasure-house of information for the archaeologists and paleographers.

As an accurate historical work and one that penetrates the past to great depths, the Bible far surpasses all other books. However, it is of much greater value in the field of prophecy, foretelling as it does the future that only the King of Eternity can reveal with accuracy. The march of world powers down through the centuries, even to the rise and ultimate demise of present-day institutions, was prophetically related in the Bible’s long-range prophecies.

God’s Word of truth in a very practical way sets men free from ignorance, superstitions, human philosophies, and senseless traditions of men. (Joh 8:32) “The word of God is alive and exerts power.” (Heb 4:12) Without the Bible we would not know Jehovah, would not know the wonderful benefits resulting from Christ’s ransom sacrifice, and would not understand the requirements that must be met in order to get everlasting life in or under God’s righteous Kingdom.

The Bible is a most practical book in other ways too, for it gives sound counsel to Christians on how to live now, how to carry on their ministry, and how to survive this anti-God, pleasure-seeking system of things. Christians are told to “quit being fashioned after this system of things” by making their minds over from worldly thinking, and this they can do by having the same mental attitude of humility “that was also in Christ Jesus” and by stripping off the old personality and putting on the new one. (Ro 12:2; Php 2:5-8; Eph 4:23, 24; Col 3:5-10) This means displaying the fruitage of God’s spirit, “love, joy, peace, long-suffering, kindness, goodness, faith, mildness, self-control”​—subjects on which so much is written throughout the Bible.​—Ga 5:22, 23; Col 3:12-14.

Authenticity. The veracity of the Bible has been assailed from many quarters, but none of these efforts has undermined or weakened its position in the least.

Bible history. Sir Isaac Newton once said: “I find more sure marks of authenticity in the Bible than in any profane history whatsoever.” (Two Apologies, by R. Watson, London, 1820, p. 57) Its integrity to truth proves sound on any point that might be tested. Its history is accurate and can be relied upon. For example, what it says about the fall of Babylon to the Medes and Persians cannot be successfully contradicted (Jer 51:11, 12, 28; Da 5:28), neither can what it says about people like Babylonian Nebuchadnezzar (Jer 27:20; Da 1:1); Egyptian King Shishak (1Ki 14:25; 2Ch 12:2); Assyrians Tiglath-pileser III and Sennacherib (2Ki 15:29; 16:7; 18:13); the Roman emperors Augustus, Tiberius, and Claudius (Lu 2:1; 3:1; Ac 18:2); Romans such as Pilate, Felix, and Festus (Ac 4:27; 23:26; 24:27); nor what it says about the temple of Artemis at Ephesus and the Areopagus at Athens (Ac 19:35; 17:19-34). What the Bible says about these or any other places, people, or events is historically accurate in every detail.​—See ARCHAEOLOGY.

Races and languages. What the Bible says about races and languages of mankind is also true. All peoples, regardless of stature, culture, color, or language, are members of one human family. The threefold division of the human family into the Japhetic, Hamitic, and Semitic races, all descending from Adam through Noah, cannot be successfully disputed. (Ge 9:18, 19; Ac 17:26) Says Sir Henry Rawlinson: “If we were to be guided by the mere intersection of linguistic paths, and independently of all reference to the Scriptural record, we should still be led to fix on the plains of Shinar, as the focus from which the various lines had radiated.”​—The Historical Evidences of the Truth of the Scripture Records, by G. Rawlinson, 1862, p. 287; Ge 11:2-9.

Practicality. The Bible’s teachings, examples, and doctrines are most practical for modern man. The righteous principles and high moral standards contained in this book set it apart as far above all other books. Not only does the Bible answer important questions but it also provides many practical suggestions which, if followed, would do much to raise the physical and mental health of earth’s population. The Bible lays down principles of right and wrong that serve as a straightedge for just business dealings (Mt 7:12; Le 19:35, 36; Pr 20:10; 22:22, 23), industriousness (Eph 4:28; Col 3:23; 1Th 4:11, 12; 2Th 3:10-12), clean moral conduct (Ga 5:19-23; 1Th 4:3-8; Ex 20:14-17; Le 20:10-16), upbuilding associations (1Co 15:33; Heb 10:24, 25; Pr 5:3-11; 13:20), good family relationships (Eph 5:21-33; 6:1-4; Col 3:18-21; De 6:4-9; Pr 13:24). As the famous educator William Lyon Phelps once said: “I believe a knowledge of the Bible without a college course is more valuable than a college course without a Bible.” (The New Dictionary of Thoughts, p. 46) Regarding the Bible, John Quincy Adams wrote: “It is of all books in the world, that which contributes most to make men good, wise, and happy.”​—Letters of John Quincy Adams to His Son, 1849, p. 9.

Scientific accuracy. When it comes to scientific accuracy the Bible is not lacking. Whether describing the progressive order of earth’s preparation for human habitation (Ge 1:1-31), speaking of the earth as being spherical and hung on “nothing” (Job 26:7; Isa 40:22), classifying the hare as a cud chewer (Le 11:6), or declaring, “the soul of the flesh is in the blood” (Le 17:11-14), the Bible is scientifically sound.

Cultures and customs. On points relating to cultures and customs, in no regard is the Bible found to be wrong. In political matters, the Bible always speaks of a ruler by the proper title that he bore at the time of the writing. For example, Herod Antipas and Lysanias are referred to as district rulers (tetrarchs), Herod Agrippa (II) as king, and Gallio as proconsul. (Lu 3:1; Ac 25:13; 18:12) Triumphal marches of victorious armies, together with their captives, were common during Roman times. (2Co 2:14) The hospitality shown to strangers, the Oriental way of life, the manner of purchasing property, legal procedures in making contracts, and the practice of circumcision among the Hebrews and other peoples are referred to in the Bible, and in all these details the Bible is accurate.​—Ge 18:1-8; 23:7-18; 17:10-14; Jer 9:25, 26.

Candor. Bible writers displayed a candor that is not found among other ancient writers. From the very outset, Moses frankly reported his own sins as well as the sins and errors of his people, a policy followed by the other Hebrew writers. (Ex 14:11, 12; 32:1-6; Nu 14:1-9; 20:9-12; 27:12-14; De 4:21) The sins of great ones such as David and Solomon were not covered over but were reported. (2Sa 11:2-27; 1Ki 11:1-13) Jonah told of his own disobedience. (Jon 1:1-3; 4:1) The other prophets likewise displayed this same straightforward, candid quality. Writers of the Christian Greek Scriptures showed the same regard for truthful reporting as that displayed in the Hebrew Scriptures. Paul tells of his former sinful course in life; Mark’s failure to stick to the missionary work; and also the apostle Peter’s errors are related. (Ac 22:19, 20; 15:37-39; Ga 2:11-14) Such frank, open reporting builds confidence in the Bible’s claim to honesty and truthfulness.

Integrity. Facts testify to the integrity of the Bible. The Bible narrative is inseparably interwoven with the history of the times. It gives straightforward, truthful instruction in the simplest manner. The guileless earnestness and fidelity of its writers, their burning zeal for truth, and their painstaking effort to attain accuracy in details are what we would expect in God’s Word of truth.​—Joh 17:17.

Prophecy. If there is a single point that alone proves the Bible to be the inspired Word of Jehovah it is the matter of prophecy. There are scores of long-range prophecies in the Bible that have been fulfilled. For a partial listing, see the book “All Scripture Is Inspired of God and Beneficial,” pp. 343-346.

Preservation. Today none of the original writings of the Holy Scriptures are known to exist. Jehovah, however, saw to it that copies were made to replace the aging originals. Also, from and after the Babylonian exile, with the growth of many Jewish communities outside Palestine, there was an increasing demand for more copies of the Scriptures. This demand was met by professional copyists who made extraordinary efforts to see that accuracy was attained in their handwritten manuscripts. Ezra was just such a man, “a skilled copyist in the law of Moses, which Jehovah the God of Israel had given.”​—Ezr 7:6.

For hundreds of years handwritten copies of the Scriptures continued to be made, during which period the Bible was expanded with the addition of the Christian Greek Scriptures. Translations or versions of these Holy Writings also appeared in other languages. Indeed, the Hebrew Scriptures are honored as the first book of note to be translated into another language. Extant today are thousands of these Bible manuscripts and versions.​—See MANUSCRIPTS OF THE BIBLE; VERSIONS.

The first printed Bible, the Gutenberg Bible, came off the press in 1456. Today distribution of the Bible (the whole or in part) has reached over four billion copies in upwards of 2,000 languages. But this has not been accomplished without great opposition from many quarters. Indeed, the Bible has had more enemies than any other book; popes and councils even prohibited the reading of the Bible under penalty of excommunication. Thousands of Bible lovers lost their lives, and thousands of copies of the Bible were committed to the flames. One of the victims in the Bible’s fight to live was translator William Tyndale, who once declared in a discussion with a cleric: “If God spare my life ere many years, I will cause a boy that driveth the plough shall know more of the Scripture than thou doest.”​—Actes and Monuments, by John Foxe, London, 1563, p. 514.

All credit and thanksgiving for the Bible’s survival in view of such violent opposition is due Jehovah, the Preserver of his Word. This fact gives added meaning to the apostle Peter’s quotation from the prophet Isaiah: “All flesh is like grass, and all its glory is like a blossom of grass; the grass becomes withered, and the flower falls off, but the saying of Jehovah endures forever.” (1Pe 1:24, 25; Isa 40:6-8) We, therefore, do well to pay “attention to it as to a lamp shining in a dark place” in this 21st century. (2Pe 1:19; Ps 119:105) The man whose “delight is in the law of Jehovah, and in his law he reads in an undertone day and night” and who puts in practice the things he reads is the one who prospers and is happy. (Ps 1:1, 2; Jos 1:8) To him Jehovah’s laws, reminders, orders, commandments, and judicial decisions contained in the Bible are “sweeter than honey,” and the wisdom derived therefrom is “more to be desired than gold, yes, than much refined gold,” for it means his very life.​—Ps 19:7-10; Pr 3:13, 16-18; see CANON.

[Chart on page 309]

TABLE OF BIBLE BOOKS IN ORDER COMPLETED

(The order in which the Bible books were written and where each stands in relation to the others is approximate; some dates [and places written] are uncertain. The symbol a. means “after”; b., “before”; and c., “circa” or “about.”)

Hebrew Scriptures (B.C.E.)

Book Writer Date Time Place Written

Completed Covered

Genesis Moses 1513 “In the Wilderness

beginning”

to 1657

Exodus Moses 1512 1657-1512 Wilderness

Leviticus Moses 1512 1 month Wilderness

(1512)

Job Moses c. 1473 Over 140 Wilderness

years

between

1657 and

1473

Numbers Moses 1473 1512-1473 Wilderness/

Plains of Moab

Deuteronomy Moses 1473 2 months Plains of Moab

(1473)

Joshua Joshua c. 1450 1473– Canaan

c. 1450

Judges Samuel c. 1100 c. 1450– Israel

c. 1120

Ruth Samuel c. 1090 11 years Israel

of Judges’

rule

1 Samuel Samuel; c. 1078 c. 1180-1078 Israel

Gad;

Nathan

2 Samuel Gad; c. 1040 1077–c. 1040 Israel

Nathan

Song of Solomon c. 1020 Jerusalem

Solomon

Ecclesiastes Solomon b. 1000 Jerusalem

Jonah Jonah c. 844

Joel Joel c. 820 (?)  Judah

Amos Amos c. 804 Judah

Hosea Hosea a. 745 b. 804– Samaria

a. 745 (District)

Isaiah Isaiah a. 732 c. 778– Jerusalem

a. 732

Micah Micah b. 717 c. 777-717 Judah

Proverbs Solomon; c. 717 Jerusalem

Agur;

Lemuel

Zephaniah Zephaniah b. 648 Judah

Nahum Nahum b. 632 Judah

Habakkuk Habakkuk c. 628 (?)  Judah

Lamentations Jeremiah 607 Nr. Jerusalem

Obadiah Obadiah c. 607

Ezekiel Ezekiel c. 591 613–c. 591 Babylon

1 and 2 Jeremiah 580 c. 1040-580 Judah/​Egypt

Kings

Jeremiah Jeremiah 580 647-580 Judah/​Egypt

Daniel Daniel c. 536 618–c. 536 Babylon

Haggai Haggai 520 112 days Jerusalem

(520)

Zechariah Zechariah 518 520-518 Jerusalem

Esther Mordecai c. 475 493–c. 475 Shushan, Elam

1 and 2 Ezra c. 460 After Jerusalem (?)

Chronicles 1 Chronicles 9:44,

1077-537

Ezra Ezra c. 460 537–c. 467 Jerusalem

Psalms David c. 460

and others

Nehemiah Nehemiah a. 443 456–a. 443 Jerusalem

Malachi Malachi a. 443 Jerusalem

[Chart on page 310]

Christian Greek Scriptures (C.E.)

Book Writer Date Time Place Written

Completed Covered

Matthew Matthew c. 41 2 B.C.E.– Palestine

33 C.E.

1 Thessalonians

Paul c. 50 Corinth

2 Thessalonians

Paul c. 51 Corinth

Galatians Paul c. 50-52 Corinth or

Syr. Antioch

1 Corinthians

Paul c. 55 Ephesus

2 Corinthians

Paul c. 55 Macedonia

Romans Paul c. 56 Corinth

Luke Luke c. 56-58 3 B.C.E.– Caesarea

33 C.E.

Ephesians Paul c. 60-61 Rome

Colossians Paul c. 60-61 Rome

Philemon Paul c. 60-61 Rome

Philippians Paul c. 60-61 Rome

Hebrews Paul c. 61 Rome

Acts Luke c. 61 33–c. Rome

61 C.E.

James James b. 62 Jerusalem

Mark Mark c. 60-65 29-33 C.E. Rome

1 Timothy Paul c. 61-64 Macedonia

Titus Paul c. 61-64 Macedonia (?)

1 Peter Peter c. 62-64 Babylon

2 Peter Peter c. 64 Babylon (?)

2 Timothy Paul c. 65 Rome

Jude Jude c. 65 Palestine (?)

Revelation John c. 96 Patmos

John John c. 98 After Ephesus, or near

prologue,

29-33 C.E.

1 John John c. 98 Ephesus, or near

2 John John c. 98 Ephesus, or near

3 John John c. 98 Ephesus, or near

Mimicking the original designer.

To Match the Genius of Centipedes, Bats, and Peacocks, Scientists Play a Game of Catch-Up
Evolution News & Views

Pure science seeks understanding of "the nature of nature" and its operations. Applied science takes the insights from pure research and makes it work for human interests. What if you had a single word that incorporates both? Here's a contender for such a word: Biomimetics. The application side is clear, because engineers and inventors try to imitate nature's designs. But the pure-research side becomes active in the process, because you have to understand something before you can imitate it. This is a win-win bonanza for 21st-century science, and intelligent design, if not by that name, is at the center of it.

Drug discovery. We see both sides of the coin in a paper in  Nature Communications,, "Biomimetically inspired asymmetric total synthesis of (+)-19-dehydroxyl arisandilactone A." It begins, "Complex natural products are a proven and rich source of disease-modulating drugs [applied science] and of efficient tools for the study of chemical biology [pure science] and drug discovery." Nature is way out in front, the next sentence suggests: "The architectures of complex natural products are generally considered to represent significant barriers to efficient chemical synthesis." [Emphasis added.] It takes Olympic-level effort to scale these barriers, but by studying how a medicinal plant builds a complex organic compound, Chinese scientists think they are learning how to synthesize other molecules of interest.

Spider-man wannabees. Researchers at the  American Institute of Physics sound like kids at a Spiderman movie. They say "Wow!" at the "impressive weight-lifting abilities" in the silk of a particular spider. The muscles of human weight-lifters are impressive enough at the molecular level, but "Variations of this dynamic geometry appear elsewhere in nature, exhibiting a variety of mechanisms and structures and inspiring development in artificial muscle technology," they say. "Spider silk, specifically Ornithoctonus huwena spider silk, now offers the newest such inspiration" for a team of Chinese and American scientists. Thinking ahead to artificial muscles, these researchers had to study the spider's silk at the micro-level, learning about the proteins involved and how they become activated by water.

These spider silk fibers, actuated by water droplets, showed impressive behavior in all the ways that matter to muscle performance (or to super heroes that may need them to swing from buildings).
Bat robotics. "Advanced robotic bat's flight characteristics simulates the real thing," announces a headline from Engineering at Illinois News. Everybody is aware that robotic drones are the hottest thing these days in everything from toys to weapons. The smart guys at University of Illinois, in cooperation with Jet Propulsion Laboratory, have built the latest iteration of their bat-mimicking "bat bots."

Bats have long captured the imaginations of scientists and engineers with their unrivaled agility and maneuvering characteristics, achieved by functionally versatile dynamic wing conformations as well as more than forty active and passive joints on the wings. However, their wing flexibility and complex wing kinematics pose significant technological challenges for robot modelling, design, and control.
Researchers at the University of Illinois at Urbana-Champaign and Caltech have developed a self-contained robotic bat -- dubbed Bat Bot (B2) -- with soft, articulated wings that can mimic the key flight mechanisms of biological bats.

A video (above) shows off the invention and boasts about its design. But the human engineers running a flight test at the end of the clip look like kids playing with paper airplanes compared to the 'biological bats' whose elegant motions are shown in this Nature Video."Whenever I see bats make sharp turns or perch upside down with elegant wing movements, I get mesmerized," the lead engineer remarks. Clunky as Bat Bot is at this stage, both Live Science  and New Scientist believe that exciting applications can come from this advancing technology.

Dragonfly drone. A lab in Massachusetts appears to be besting the Illinois team, by creating an even smaller drone that mimics dragonflies. On closer reading of the  Live Science story about the DragonflEye project, though, we learn that the team at Charles Stark Draper Laboratory is actually outfitting live dragonflies with electronic backpacks. This allows them to send commands to the insects' flight muscles, turning them into cyborgs that they can control. "DragonflEye sees these tiny flight masters as potentially controllable flyers that would be 'smaller, lighter and stealthier than anything else that's manmade,'" the article says, but we don't know if the Illinois team will call it cheating to use live insects.

Bee bots. If honeybee numbers keep dropping, how will our crops get pollinated? Some inventors think that tiny quadcopter drones might be recruited as "artificial pollinators" in the future. Watch a horse trot into this biomimetics tale:

As bees slip onto the endangered species lists, researchers in Japan are pollinating lilies with insect-sized drones. The undersides of these artificial pollinators are coated with horse hairs and an ionic gel just sticky enough to pick up pollen from one flower and deposit it onto another. The drones' designers are hopeful that their invention could someday help carry the burden that modern agricultural demand has put on colonies.
See the horse hairs up close in New Scientist's  coverage. Now a problem: how to scale this up to tackle crops like almond orchards that can stretch for miles, where each tree can have 50,000 flowers to pollinate. Elizabeth Franklin doesn't think robotic pollinators will ever compete with live honeybee (The Conversation). A U.K. researcher rubs it in (Live Science):

In a blog post, he wrote that there are roughly 3.2 trillion bees on the planet. Even if the robo-bees cost 1 cent per unit and lasted a year, which he said is a highly optimistic estimate, it would cost $32 billion a year to maintain the population and would litter the countryside with tiny robots.
"Real bees avoid all of these issues; they are self-replicating, self-powering and essentially carbon-neutral," Goulson wrote in the post. "We have wonderfully efficient pollinators already. Let's look after them, not plan for their demise."

Plant ceramics. Harvard  has a whole institute dedicated to biomimetics: the Wyss Center for Biologically Inspired Design. The wizards there are hot on the trail of leaves of grass, according to news from Wyss, and that's not just poetic license. Impressed by grass's ability to "support its own weight, resist strong wind loads, and recover after being compressed," they thought that if they could 3-D print something like that, it would enable a very useful material for many applications. In order to invent "ceramic foam" usable in a 3-D printer, they had to look at grass carefully. "The plant's hardiness comes from a combination of its hollow, tubular macrostructure and porous, or cellular, microstructure, they found. "These architectural features work together to give grass its robust mechanical properties." So by printing their foam into honeycomb-like shapes, they're getting close to printing hierarchical microstructures with desirable mechanical, thermal, and transport characteristics: "Inspired by natural cellular structures" in a common blade of grass.

Speaking of ceramics, another team is trying to imitate the "unique structural and functional capabilities" of nacre (mother-of-pearl), by "Using graphene networks to build bioinspired self-monitoring ceramics" (Nature Communications). Pages and pages of graphs, mathematics, and chemistry show it's not easy to imitate an oyster.

Peacock dye.The  American Chemical Society  is involved in the gold rush, too, excited to announce that "Peacock colors inspire [a] greener way to dye clothes." The iridescent colors of birds and butterflies come not from pigments, but from geometric structures at the nanoscopic level that intensify certain wavelengths of light. Everyone from fashion designers to parents to the EPA will be happy to learn about better dyes inspired by peacock feathers. "Testing showed the method could produce the full spectrum of colors, which remained bright even after washing," an ACS team said. "In addition, the team said that the technique did not produce contaminants that could pollute nearby water."

For those not afflicted by arachnophobia, Phys.org  tells about another team at the University of Akron working on a similar idea to 3-D print dyes inspired by (ready?) tarantula hairs.

Centipede robots. What kid hasn't been fascinated by the wave-like motion of dozens of feet in caterpillars, centipedes, and millipedes? Some who grew up to become scientists didn't forget that fascination. Japanese scientists publishing in PLOS ONE are among them, describing, "Decentralized control scheme for myriapod robot inspired by adaptive and resilient centipede locomotion." Read in this open-access paper about how they tackled one of the major challenges, developing "a control scheme that can coordinate their numerous legs in real time." Some of us have enough trouble controlling two legs, let alone dozens. The breakthrough came by "drawing inspiration from behavioral experiments on centipede locomotion under unusual conditions," they say.

There's something satisfying about watching the brightest scientific minds as they try to play catch-up with the genius of centipedes, bats, and peacocks. Biomimetics is not for lazy scientists. Nature's designs are too sophisticated for Darwinian storytellers. They stimulate inspiration, perspiration, and admiration, with potential applications to benefit us all -- and the key word is design.

Zigzagging on mount improbable?

Extinct Four-Eyed Monitor Lizard Busts Myth of a Congruent Nested Hierarchy
Günter Bechly



One of the most essential doctrines of Darwinian evolution, apart from universal common descent with modification, is the notion that complex similarities indicate homology and are ordered in a congruent nested pattern that facilitates the hierarchical classification of life. When this pattern is disrupted by incongruent evidence, such conflicting evidence is readily explained away as homoplasies with ad hoc explanations like underlying apomorphies (parallelisms), secondary reductions, evolutionary convergences, long branch attraction, and incomplete lineage sorting.


When I studied in the 1980s at the University of Tübingen, where the founder of phylogenetic systematics, Professor Willi Hennig, was teaching a first generation of cladists, we still all thought that such homoplasies are the exceptions to the rule, usually restricted to simple or poorly known characters. Since then the situation has profoundly changed. Homoplasy is now recognized as a ubiquitous phenomenon (e.g., eyes evolved 45 times independently, and bioluminiscence 27 times; hundreds of more examples can be found at Cambridge University’s Map of Life website).


Life’s Solution

This state of affairs compelled George McGhee, a paleobiology professor at Rutgers University, to write a book, Convergent Evolution: Limited Forms Most Beautiful (2011). He suggests that convergence is so common because viable forms are so limited. However, he fails to explain how evolution manages to find these limited solutions over and over again through a random search process. After all, selection only explains the survival of the fittest but not the arrival of the fittest.

Likewise, paleontologist Simon Conway Morris wrote two books, Life’s Solution (2003) and The Runes of Evolution (2015), in which he concluded that the incredible number of convergences came to be because evolution is not the contingent process postulated by Stephen Jay Gould (1989) in his book Wonderful Life. Gould thought that if we could somehow rewind the tape of evolution, everything would develop very differently. According to Conway Morris, the same novelties occur so often in unrelated groups that this suggests these novelties are not products of mere contingency but instead are so constrained by external factors that rewinding the tape of evolution would lead to very similar results (also see Conway Morris 2009 ).

Of course, Darwinists are not comfortable with the deeper implications of a non-contingent process of evolution (Ruse 2004, Coyne 20122015), which smacks of being designed for a purpose. Apart from that, most biologists do not even read between the lines that this is basically a surrender of a fundamental paradigm of Darwinism, which claimed that similar biological novelties suggest phylogenetic relationship (common ancestry).

The problem gets worse the more we learn about the fossil record, the distribution of characters among recent organisms, and the genetic and developmental underpinnings of many characters. Some taxonomists had hoped that genomics might save biosystematics from the evil of homoplasy, since the sheer amount of data would flood the “minor” noise of homoplasies. But this turned out to be a pipe dream as the numerous conflicting molecular phylogenies easily document. Even those genetic characters that were believed to be impossible to suffer from convergence, like transposable elements, turned out to be incongruent (e.g., in the case of the gorilla, chimp, and human trichotomy), which required a whole new epicycle of ad hoc explanation in terms of incomplete lineage sorting.

The Third Eye

The third eye of vertebrates provides a perfect illustration of this point, topped by a very surprising recent discovery reviewed below. What, a third eye? I am neither talking about New Age spiritualism, nor about the cyclops of ancient Greek mythology, but about a little known light-sensing organ. 

Unpaired median dorsal eyes, along with a lateral pair of more efficient eyes, are known from crustaceans (nauplius eye), arthropods (e.g., 3 ocelli in insects), and vertebrates (third eye, pineal eye, or parietal eye on the top of the skull). The latter is always smaller than the paired lateral lens eyes, and in living species very inconspicuous. Evolutionists believe this organ to be possibly homologous to the light-sensitive spot on top of the head of lancelets, and the median eye of tunicate larvae, because phylogenetic studies suggested that tunicates are the closest relatives of vertebrates, which are sometimes supposed to have originated from a kind of neotenic tunicate larva.



All vertebrate eyes, paired lateral as well as unpaired median ones, develop from an evagination of the brain (diencephalon). The posterior part of the diencephalon (epithalamus) develops an initially single dorsal evagination (pineal complex), which then divides into two roughly bilaterally symmetric organs that rotate their location to become a caudal pineal organ (pineal gland) and a rostral parapineal organ (Kolb et al. 1998). These often retain a slight asymmetry with the pineal organ originating more right and the parapineal organ more left of the brain midline.

This corresponds with the fact that modern lampreys possess two median eyes that are either oriented on top of each other or behind each other, while some Devonian fish (e.g., arthrodira, stegoselachians, and very early lungfish) had two pineal/parietal foramina in the skull beside each other (Eakin 1973: 16-17). In modern aquatic jawed vertebrates (“fish” in everyday language), the third eye, if developed at all, is formed by the pineal organ, while the parapineal organ is more or less reduced.

In tetrapods, the caudal pineal organ is atrophied as a still photoreceptive pineal gland (epiphysis), while the rostral parapineal organ forms the third eye called the parietal eye. Among recent vertebrates the parietal eye is absent in salamanders, turtles, crocs, birds, and mammals, but very well developed in lepidosaurs (juvenile tuataras and many lizards) with a lens, cornea, and an everted retina, with the latter being more similar to that of an octopus rather than to the inverted retina of the lateral lens eyes.

In juvenile frogs and toads a similar, but less sophisticated third eye develops as a terminal vesicle of the parapineal organ.hese third eyes in vertebrates do not allow image-like vision but only differentiate light from dark. They may help in detecting shadows from predators attacking from above, as suggested by the behavior of some lizards. More importantly they are crucial for circadian and seasonal rhythms. This also happens to be the function of the pineal gland in humans, which produces the sleep hormone melatonin. Many other vertebrate species have an intracranial pineal organ as deep-brain photoreceptor. In fossil vertebrates, the possession of an extracranial third eye can be inferred from the presence of a parietal foramen between the parietal bones of the skull.
  Therefore, we have a pretty good knowledge about the distribution of third eyes in fossil and modern vertebrates. Here is a list of the haves and have nots:

lampreys, but not the blind hagfish
Paleozoic agnathan fish like ostracoderms and placoderms
pelagic sharks
some ray-finned fish (e.g., Paleozoic stem actinopterygians, paddlefish, catfish, tuna, and even the blind cave fish Astyanax mexicanus)
fossil “crossopterygians,” but not the modern coelacanth
early fossil lungfish, but not all modern ones
lobe-finned and “stegocephalian” stem tetrapods (e.g., Eusthenopteron, Elpistostege, Panderichthys, Tiktaalik, Acanthostega, Seymouria)
stem amphibians (Temnospondyli) and modern juvenile frogs and toads (Anura), but not salamanders (Urodela) and caecilians (Gymnophiona)
stem reptiles (e.g., Paleothyris)
Parareptilia (Anapsida like Captorhinus)
Lepidosauria (well visible in tuatara juveniles, mosasaurs, monitor lizards, iguanas, true lizards), but not snakes, geckos, and chameleons
Ichthyopterygia (ichthyosaurs)
Sauropterygia (placodontians, nothosaurs, plesiosaurs)
the oldest and most primitive stem turtle, Eunotosaurus, but not any later turtles (including Pappochelys)
early archosauromorphs like Prolacerta, proterosuchids, and arguably Triopticus primus, but not any more advanced archosauriforms (incl. Euparkeria, Phytosauria, crocodiles, pterosaurs, dinosaurs, and birds)
Permian mammal-like reptiles (“pelycosaurs,” “therapsids,” Cynognathia), but not any mammals (including Triassic primitive mammaliaforms like Morganucodon)
Guess what evolutionists must assume? Based on the just mentioned distribution of pineal and parapineal eyes and the parietal foramen: primitive agnathan vertebrates had two median eyes formed by the pineal and parapineal organ. These were retained at least up to the early ancestors of lungfish (documented by their paired parietal foramen), but the parapineal eye was independently reduced in Chondrichthyes (sharks and rays), ray-finned fish, coelacanths, and modern lungfish. In most modern bony fish (including ray-finned fish, coelacanths, and some modern lungfish) the pineal eye was reduced multiple times independently. In the tetrapod lineage the pineal eye was reduced as well, and only the parapineal eye retained as the parietal eye. This parietal eye was then reduced independently in non-anuran amphibians, some lizards, snakes, turtles, archosaurs (crocodiles, pterosaurs, dinosaurs, birds), and in mammals.

Consequently, only juvenile frogs and toads and well as juvenile tuataras and many lizards retained a parapineal parietal eye among living land vertebrates. What a wild ride. And all along the way, the magic wand of natural selection allegedly explains why the same organ appears and disappears and reappears, because it gains adaptive value and loses it, and gains it again. Not convinced? Neither am I. But the biggest surprise is yet to come.

Fasten Your Seatbelts, Please

Clearly, the presence or absence of a third eye in vertebrates shows an extremely incongruent pattern. Evolutionists need to explain away this incongruence. Since most groups of Paleozoic vertebrates had a third parietal eye, evolutionists have to assume that many different groups of vertebrates independently “decided” after the Permo-Triassic mass extinction that they could simply dispense with this previously so useful and adaptive innovation. Therefore, evolutionists need not only the ad hoc assumption of multiple independent secondary reductions, but also a causal explanation for this strange phenomenon.

Suggested explanations include reduced color vision correlated with freshwater habitat, or nocturnal lifestyle, or a transition to endothermia (Gerkema et al. 2013Benoit et al. 2016Emerling 2017a)
. Nocturnality as an explanation would indeed agree with the fact that the third eye is absent in the nocturnal geckos and in snakes, which are believed to have originated from a nocturnal burrowing ancestor, and that it is only prominent in juvenile tuataras, which have a diurnal lifestyle, while it is obliterated in adults, which have a nocturnal lifestyle. However, that two different causal explanations (nocturnal bottleneck versus transition to endothermia) have been suggested for the reduction of the parietal eyes in mammals shows that we are actually dealing with contrived ad hoc explanations. Whatever the data might be, a fancy narrative could easily be forged to explain this evidence.

Emerling (2017a) demonstrated that the photosensitive opsin proteins parietopsin and parapinopsin, found in the third eye of lampreys and lizards, are only present as nonfunctional pseudogenes in turtles, crocodiles, and birds, which all lack a third eye (Caspermeyer 2017).
 To be fair, remnants of broken genes (pseudogenes), if they should truly be devoid of function (many ID proponents would predict this to be false), may indeed lend some support to the notion of common ancestry and a secondary reduction of the third eye in these groups. This was readily emphasized by Emerling (2017b), who clearly seems to have an evolutionary axe to grind, at his personal blog Evolution for Skeptics.

However, he admitted in his technical paper that these pseudogenes in turtles, crocodiles, and birds actually do not share inactivating mutations, so that the inactivation cannot be easily attributed to a common archelosaurian ancestor. This is at least strange for crocs and birds, because even their assumed archosauriform ancestors already shared the absence of a parietal eye, so that the inactivation should be expected to be homologous. Apart for this issue, merely appealing to common ancestry and multiple secondary reduction of course does nothing to explain what really is going on.

Emerling is aware of this and therefore suggested a nocturnal bottleneck in crocodylians as a causal explanation for their loss of the parietal eye. However, there is no evidence at all for such a bottleneck in the archosaur stem line, and this is fatal for his argument because it is not just crocodylians but all archosaurs that lack a parietal eye and its opsins, so that a nocturnal bottleneck in crocs would be totally irrelevant and much too late to explain anything. This also shows that the shared endothermia of birds and mammals is no good explanation for their shared lack of the parietal eye and its opsins either, because birds are believed to have ultimately originated from archosaurs that already lacked a parietal eye but were not endothermic at all. Most of the ad hoc explanations that may seem plausible at first sight thus become rather dubious at closer examination.

A Much Bigger Problem

Anyway, a much bigger problem for Darwinism arises from independent (homoplastic) gains of complex characters, rather than independent losses, especially when highly implausible evolutionary scenarios are implied. Here is a recent example for this that also involves the median eyes of vertebrates.

Based on two fragmentary fossils, Smith et al. (2018)
 just described the new monitor lizard Saniwa ensidens from the 49 million year old Bridger Formation in Wyoming. Both known specimens surprisingly had four eyes! Additional to the normal pair of lateral lens eyes, and the usual parietal third eye of lizards, this new species actually had a forth pineal eye like a lamprey. Not a single other jawed vertebrate has something remotely like this, even though this fossil lizard is the closest relative of the modern monitor lizard genus Varanus and thus deeply nested within modern land vertebrates.

What? This sounds almost too weird to be true. Yet since the article was published on April 2, 2018, in the prestigious journal Current Biology it is definitely not an April Fools’ prank. The authors bite the bullet and boldly propose that the extinct monitor lizard re-evolved a fourth eye from the pineal organ, similar to the assumed ancestral state in lampreys. This means that even though a pineal eye was at least lost since the origin of tetrapods about 390 million years ago, 340 million years later just another ordinary species of monitor lizards came along and said, “Hey, what about having four eyes again?” It then re-evolved this organ that was obviously not of any sufficient adaptive value to any other tetrapod in the history of life to let evolution’s unlimited creative power do its magic. Nevertheless, this remarkable effort did not save this species from extinction without any surviving descendants, while numerous monitor lizards without fouth eye were more lucky.
  In his review of the surprising discovery Witmer (2018) notes:

How could a pineal eye simply re-evolve? … But why Saniwa? What’s special about this lizard? Nothing is special, as far as we can tell. Smith and colleagues offer some suggestions, but it’s fair to say that the functional benefit of having both parapineal and pineal eyes remains obscure. This finding also means that all of a sudden we’re no longer sure which organ — pineal or parapineal eye — was peeking through the parietal foramen of a host of extinct ancient tetrapods.

Finally, there is a last punchline mentioned by  Witmer (2018):

In 1893, Belgian paleontologist Louis Dollo formulated the Law of the Irreversibility of Evolution, which simply states: that which is lost shall not be regained. Some laws are meant to be broken, and the re-evolution of a pineal eye in Saniwa is not the first atavism to be reported. Still, it’s not a common occurrence, and it’s so rare in this case that it raises new questions.

Obviously, evolutionary “laws” are quite malleable and have to give way when they become too cumbersome. Conflicting evidence does not matter, broken laws do not matter. What really matters is preserving the great narrative of pond scum to us.

We can safely conclude: it is an epic myth, willingly perpetuated by evolutionary biologists, that the similarities between organisms mostly fall in a hierarchic pattern of nested groups and thus suggest common ancestry and indicate phylogenetic relationship. In reality this claim is contradicted by a flood of incongruences and reticulate patterns that shed doubt on fundamental paradigms of evolutionary biology like the notions of homology and common descent. This inconvenient conflicting evidence is explained away with a pile of ad hoc hypotheses, correlated with more and more contrived and implausible evolutionary scenarios.

Literature:

Faith,the superlative of knowledge not its antithesis.

“Faith” and the Multiverse: A Response
Paul Nelson



Regarding Multiple Problems with the Multiverse,” I grasp the argument Professor Brian Keating is making in his PragerU video — namely, that current cosmologists who invoke a multiverse do so on the slenderest (or no) evidence. However, his use of the word “faith” in this context is really pernicious.

“Faith,” in the Biblical sense, is never the antonym of “knowledge.” A much better use of “faith” would mean “trust on the basis of evidence already provided,” which (to my understanding) fits well with every Biblical episode where faith is mentioned or commended.

Furthermore, faith is held up consistently throughout the Bible as most praiseworthy, and indeed, the gift of God (Ephesians 2:8). Rather a sharp reversal in reference, therefore, when the same noun is used to denote groundless credulity.

Which, really, is what Professor Keating means: “I don’t have enough credulity to posit a multiverse.” Even that word choice, however, fails, because it entails that theists are also credulous, only to a lesser degree.

What is being lost in this rhetoric? Truth and falsehood. Not degrees of greater or lesser credulity. Why not say, “While attractive for many philosophical reasons, the multiverse is a false hypothesis”?

I fear that when we hold our own positions, not because we know (or even believe) they are actually true, but for other reasons, we cannot say that an opposing position is false: we can’t know that to be the case. So then the discussion becomes who has the bigger or smaller credulity heap, on which they are standing.


Please — let’s break this noxious intellectual habit of using “faith” as the antonym of “knowledge.”

Sunday 22 April 2018

In the lion's den?

Online Seminar: Paul Nelson Will Discuss Ontogenetic Depth — in Depth! 
Evolution News @DiscoveryCSC

This Saturday, April 21, Discovery Institute Senior Fellow Paul Nelson will give an online seminar about the controversial and widely-thought-to-be-debunked concept of “ontogenetic depth” (OD). Join us at 4 PM Eastern, which is 3 PM Central or 1 PM Pacific.  At the ordained hour, just go here.

OD has been proclaimed a “pseudoscientific idea” by no less an authority than Wikipedia, and Paul himself readily acknowledges OD is currently impossible to measure — so why on earth would he bother talking about OD live, while fielding questions?

Possible answers:

Paul is obviously crazy and has been for a long time.
Paul doesn’t know when to stop digging.
Never was there a more fitting acronym for a scientific idea than “OD.”
Paul has grown fond of “Paul Nelson Day” and doesn’t want our critics to forget it again next year (see Stockholm Syndrome).
OR, counter-intuitively — perhaps there is much more to OD than seems apparent.

We’ll go with the last and counter-intuitive answer, so tune in. Background reading on OD is here and here (2011 series) and herehere, and here (2015 series).