Greg Priest @gregpriest.bsky.social · 10hOTD in 1881, Charles Darwin published his last book, on earthworms. It reflected a long interest in animal minds: “One alternative alone is left, namely, that worms, although standing low in the scale of organization, possess some degree of intelligence.” 🧪 🌱🐋🦋🦫 #HistSTM #philsci #pschsky #cogsci 13712
Greg Priest @gregpriest.bsky.social · 05/10/2026OTD in 1905, Henry Fairfield Osborn named Tyrannosaurus Rex, the king of the tyrant lizards. The specimen was collected by Barnum Brown in the Hell Creek formation in Montana. Below are the first published image of T. rex and a photo of the fossil being removed from the quarry. 🐋🌱⚒️🧪 #HistSTM 050
Greg Priest @gregpriest.bsky.social · 02/10/2026OTD in 1967, Thurgood Marshall was sworn in as an associate justice of the United States Supreme Court. #polisky 060
Greg Priest @gregpriest.bsky.social · 02/10/2026OTD in 1836, HMS Beagle docked at Falmouth, after a 5 year voyage. Charles Darwin wrote in his diary, “To my surprise and shame, I confess the first sight of the shores of England inspired me with no warmer feelings, than if it had been a miserable Portuguese settlement.” 🌱🐋🧪#HistSTM #STS 1205
Greg Priest @gregpriest.bsky.social · 28/09/2026OTD in 1838, Charles Darwin read Malthus’s Principles of Population “for amusement.” The idea of a “war of nature” was venerable, but D realized that such a war would tend to remove deleterious variations from populations. Natural selection would necessarily follow. 🌱🐋🧪#HistSTM #philsci 📈📉#evolbio 1259
Greg Priest @gregpriest.bsky.social · 26/09/2026L: Color print magazine advertisement for Pennsalt DDT products. This ad appeared in Time Magazine, June 30, 1947. Science History Institute. R: Photo of children being spayed with DDT in a public swimming pool. Date and photographer unknown. 🌱🐋 # HistSTM 🧪🌎 #philsci #philsky #WomeninSTEM 43411
Greg Priest @gregpriest.bsky.social · 26/09/2026Rachel Carson’s Silent Spring was published OTD in 1962. “[W]e have now acquired a fateful power to alter and destroy nature. But man is a part of nature, and his war against nature is inevitably a war against himself.” 🌱🐋 # HistSTM 🧪🌎 #philsci #philsky #WomeninSTEM 07437
Greg Priest @gregpriest.bsky.social · 25/09/2026Thomas Hunt Morgan was born OTD in 1866. If you're ever feeling that your work is uending and unedifying, remember that he once said this: "Two years work wasted, I have been breeding those flies for all that time and I've got nothing out of it." 🌱🐋🧪 #HistSTM 34924
Greg Priest @gregpriest.bsky.social · 24/09/2026The pioneering aquarist Jeanne Villepreux-Power was born OTD in 1794. She was the first to record that some species of octopuses could use tools to pry open their prey's shells. She observed them waiting for the clam to open its shell and then jamming In a rock. 🌱🐋🧪 #HistSTM #WomeninSTEM 1289
Greg Priest @gregpriest.bsky.social · 18/09/2026Samuel Johnson was born OTD in 1709. Selecting one quote from my notes was a challenge, but here goes: “Almost every man wastes part of his life attempting to display qualities which he does not possess.” #PhilSky 261
Greg Priest @gregpriest.bsky.social · 09/09/2026OTD in 1854, Charles Darwin began sorting his notes in preparation for writing a treatise with the working title “Natural Selection.” He would never publish the book, instead publishing a short “abstract”—titled “On the Origin of Species”—in 1859. 🐋🌱 #HistSTM #evolbio 🧪 0224
Greg Priest @gregpriest.bsky.social · 09/09/2026OTD in 1854, Charles Darwin began sorting his notes in preparation for writing a treatise with the working title “Natural Selection.” He would never publish the book, instead publishing a short “abstract”—titled “On the Origin of Species”—in 1859. 🐋🌱 #HistSTM #evolbio 🧪 062
Greg Priest @gregpriest.bsky.social · 23/08/2026Eunice Foote conducted an experiment showing that atmospheric CO2 traps heat. OTD in 1856, she listened to a man (John Henry of the Smithsonian) present her results to the American Acad. for the Advancement of Science. Henry downplayed the significance of Foote’s finding. #HistSTM #WomeninSTEM 🧪🌎 38942
Greg Priest @gregpriest.bsky.social · 22/08/2026Thomas Lovejoy was born OTD in 1941 “Conservation is sometimes perceived as stopping everything cold, as holding whooping cranes in higher esteem than people.... [But] the choice is not between wild places or people, it is between a rich or an impoverished existence for Man.” 🌱🐋🧪 #HistSTM #PhilSci 03710
Greg Priest @gregpriest.bsky.social · 03/08/2026Donald Griffin, discoverer of bat echolocation, was born OTD 1915. I imagine “small mammals enough like ourselves to feel that I could understand what their lives would be like, and yet different enough to make it a sort of adventure and exploration to see what they were doing.” 🐋🌱🧪 #HistSTM 35015
Greg Priest @gregpriest.bsky.social · 01/08/2026J-B Lamarck was born OTD in 1744 A “prime cause … endows animal life with the power to make organization gradually more complex…. Occasionally a foreign, accidental, and therefore variable cause has interfered with the execution of the plan, without, however, destroying it.” 🐋🌱🧪🗃️🧠 #EvoBio #HistSTM 0203
Greg Priest @gregpriest.bsky.social · 24/07/2026Rosalind Franklin was born OTD in 1920. Her X-ray crystallography was key to discovering DNA’s structure (her student Raymond Gosling took photo 51). She also studied viruses. After her untimely death, a colleague Aaron Klug continued her work and won a Nobel. 🌱🐋🧪 #EvoBio #HistSTM #WomeninSTEM 09335
Greg Priest @gregpriest.bsky.social · 22/07/2026Edward Hopper was born on this day in 1882. “If you could say it in words, there would be no reason to paint.” Room in New York (1932) 🐡 #PhilSci (and, yes, I think that’s an appropriate feed for this) 0375
Greg Priest @gregpriest.bsky.social · 21/07/2026OTD in 1925 John Scopes was found guilty of violating the Butler Act, a Tennessee statute that forbade the teaching of "any theory … that man has descended from a lower order of animals." The trial was as much an effort to bring tourist money into Dayton TN as anything else. 🐋🌱🧠🗃️🧪 #HistSTM #EvoBio 12510
Greg Priest @gregpriest.bsky.social · 20/07/2026The letters by Charles Darwin and Alfred Russel Wallace had been read before the Linnean Society. OTD in 1858, D abandoned the “Big Species Book” he had been working on and began a short “abstract” of his theory. It would go on to be published as On the Origin of Species. 🌱🐋🧪🧠🗃️ #HistSTM #EvoBio 28110
Greg Priest @gregpriest.bsky.social · 18/07/2026Thomas Kuhn was born OTD in 1922. Historicity—over revolutions and paradigms—was core to his thought. “History, if viewed as a repository for more than anecdote or chronology, could produce a decisive transformation in the image of science by which we are now possessed.” 🦋🦫🧠🗃️ #HistSTM #PhilSci 0268
Greg Priest @gregpriest.bsky.social · 15/07/2026Vilfredo Pareto was born OTD in 1848. His most famous quote is: "Give me a fruitful error any time, full of seeds, bursting with its own corrections. You can keep your sterile truth for yourself." But he never said it: quoteinvestigator.com/2024/08/02/f... 🧪🦋🦫 #PhilSci #HistSTM 📉📈 1150
Greg Priest @gregpriest.bsky.social · 15/07/2026Walter Benjamin was born OTD in 1892. “The true picture of the past flits by. The past can be seized only as an image which flashes up at the instant when it can be recognized and is never seen again.” #PhilSky 🧠🗃️ 0142
Greg Priest @gregpriest.bsky.social · 09/07/2026Cormac McCarthy was born OTD in 1933. 🌱🐋🐡 #BookSky 071
Greg Priest @gregpriest.bsky.social · 05/07/2026Ernst Mayr was born OTD in 1904. “Most scientific problems are far better understood by studying their history than their logic.” 🧠🗃️🌱🐋🦋🦫🧪 #HistSTM #PhilSci 34311
Greg Priest @gregpriest.bsky.social · 03/07/2026Franz Kafka was born OTD in 1883. "[T]he right perception of any matter and a misunderstanding of the same matter do not wholly exclude each other." The Trial #PhilSky #PhilSci #BookSky 2246
Greg Priest @gregpriest.bsky.social · 01/07/2026OTD in 1858, papers by Darwin and Wallace proposing transmutation of species by natural selection were read to the Linnean Society. Its president later noted that 1858 had not seen any “discoveries which at once revolutionize … the department of science on which they bear.” 🐋🌱🗃️🧠🧪 #HistSTM #EvoBio 0178
Greg Priest @gregpriest.bsky.social · 30/06/2026Joseph D. Hooker was born OTD in 1817. Darwin’s best friend, and the period’s greatest botanist. Like D, H feuded with Richard Owen. O sought to bring H’s Kew Botanic Gardens under the authority of O’s British Museum, accusing H of “attaching barbarous binomials to foreign weeds.” 🌱🐋🧪 #HistSTM 0124
Greg Priest @gregpriest.bsky.social · 21/06/2026Anne Carson was born OTD in 1950. “Words bounce. Words, if you let them, will do what they want to do and what they have to do.” “Swimming has a stoniness, water being as different from air as stones.” #BookSky #Poetry 181
Greg Priest @gregpriest.bsky.social · 14/06/2026OTD in 1822, a letter from Charles Babbage proposing the construction of a “Difference Engine” for the automated calculation of mathematical functions was read before the Royal Astronomical Society of London. #HistSTM 🐋🌱🧪🦫🦋 1325
Greg Priest @gregpriest.bsky.social · 11/06/2026English landscape painter John Constable was born OTD in 1776. "Painting is a science and should be pursued as an inquiry into the laws of nature. Why, then, may not a landscape be considered as a branch of natural philosophy, of which pictures are but experiments." 🧪🐋🌱🐡#philsci #HistSTM 1206
Greg Priest @gregpriest.bsky.social · 08/06/2026Francis Crick was born OTD in 1916. We've all seen the DNA diagram that appeared in Crick and Watson’s Nature paper (left), but have you seen his sketch (right), from which his wife Odile made the published version? 🌱🐋🧪🐡 #EvoBio #HistSTM 1165
Greg Priest @gregpriest.bsky.social · 05/06/2026Adam Smith was baptized OTD in 1723. A frequent explanatory practice was what Dugald Stewart called “conjectural history”—a narrative, fictive in its particulars, that is somehow truer in capturing the general processes by which certain phenomena tend to unfold. 🐋🌱🦋🦫🧠🧪 #HistSTM #PhilSci #Evobio 020
Greg Priest @gregpriest.bsky.social · 31/05/2026OTD in 1837, Charles Darwin first presented his theory of how coral reefs are formed to the Geological Society of London. The event marked his public debut as a theorist. L: hand-colored section of Cocos Island atoll. R: diagram of the same from his 1842 book (Darwin Online). 🌱🐋🧪⚒️🗃️🧠 #HistSTM 05615
Greg Priest @gregpriest.bsky.social · 31/05/2026Walt Whitman was born OTD in 1819. Song of Myself is a singularly Darwinian poem. The re-placing of natural theological tropes in a thoroughly naturalistic setting is characteristic of both. 🧪🦫🦋🐋🌱#HistSTM #BookSky 0338
Greg Priest @gregpriest.bsky.social · 31/05/2026Walt Whitman was born OTD in 1819. Song of Myself is a singularly Darwinian poem. The re-placing of natural theological tropes in a thoroughly naturalistic setting is characteristic of both. 🧪🦫🦋🐋🌱#HistSTM #BookSky 071
Greg Priest @gregpriest.bsky.social · 25/05/2026Ralph Waldo Emerson was born OTD in 1803. Complexity scientists think they came up with the idea that some phenomena cannot be predicted, but only generated algorithmically. But Emerson wrote that “Life is a succession of lessons which must be lived to be understood.” 🦋🦫🧪 #BookSky 3257
Greg Priest @gregpriest.bsky.social · 24/05/2026William Whewell was born OTD in 1794. One of the great early philosophers and historians of science, he was also a neo-Kantian and an Anglican priest. He also believed that our redemption on earth via Christ’s crucifixion proved the impossibility of extraterrestrial life. 🧪 #HistSTM #PhilSci 4141
Greg Priest @gregpriest.bsky.social · 23/05/2026Edward Lorenz, of “butterfly effect” fame, was born OTD in 1917. "Chaos: When the present determines the future, but the approximate present does not approximately determine the future.” 🧪🦋🦫🧠🗃 #PhilSci #HistSTM 13110
Greg Priest @gregpriest.bsky.social · 09/05/2026Gregory Bateson was born OTD in 1904. “Logic is a poor model of cause and effect.” “Epistemology is always and inevitably personal. The point of the probe is always in the heart of the explorer: What is my answer to the question of the nature of knowing?” 🦫🦋🧪🐋🌱 #PhilSci #HistSTM 0214
Greg Priest @gregpriest.bsky.social · 04/05/2026Thomas H Huxley was born OTD in 1825. The idea of “warfare” between science and religion is suspect, but it works for H. Protestantism lacks “a trace of any desire to set reason free. The most that can be discovered is a proposal to change masters” from the Pope to the Bible. 🧪🌱🐋 #HistSTM #EvoBio 1227
Greg Priest @gregpriest.bsky.social · 02/05/2026D’Arcy Wentworth Thompson was born OTD in 1860. He conceived of organismal form as primarily a matter of physical forces, rather than natural selection. He used diagrams to represent how networks of physical forces could deform one body plan into another. 🧪🌱🐋🦋🦫🐡 #HistSTM 56311
Greg Priest @gregpriest.bsky.social · 02/05/2026D’Arcy Wentworth Thompson was born OTD in 1860. He conceived of organismal form as primarily a matter of physical forces, rather than natural selection. He used diagrams to represent how networks of physical forces could deform one body plan into another. 🧪🌱🐋🦋🦫🐡 #HistSTM 1162
Greg Priest @gregpriest.bsky.social · 29/04/2026Henri Poincaré was born OTD in 1854. Identical antecedents must lead to identical consequents. But our world is so complex that it is inconceivable that two situations should *ever* be in all respects identical. And so the principle of determinism has no application to us. 🧪🦋🦫 #HistSTM #PhilSci 1223
Greg Priest @gregpriest.bsky.social · 28/04/2026Kurt Gödel was born OTD in 1906. “If a 'religion' is defined to be a system of ideas that contains unprovable statements, then Gödel taught us that mathematics is not only a religion, it is the only religion that can prove itself to be one.” John Barrow, The Artful Universe 🧪🦫🦋 #HistSTM #PhilSci 1306
Greg Priest @gregpriest.bsky.social · 27/04/2026For #PhilSky aficionados, here’s a cartoon from a recent @newyorker.com: 12110
Greg Priest @gregpriest.bsky.social · 25/04/2026OTD in 1953, J Watson and F Crick published a paper describing the double helical structure of DNA in the journal Nature. M Wilkins and co-authors, and R Franklin and R Gosling, published separate papers in the same issue with X-ray crystallography analysis. 🧪🌱🐋 #HistSTM #EvoBio 2237
Greg Priest @gregpriest.bsky.social · 22/04/2026Vladimir Nabokov was born OTD in 1899. “I need you, the reader, to imagine us, for we don't really exist if you don't.” “You can always count on a murderer for a fancy prose style.” —Lolita #Philsky #Booksky 083
Greg Priest @gregpriest.bsky.social · 19/04/2026My post was not intended to suggest that the fact that Darwin did not recant his theory is evidence in its favor or is that his failure to embrace Christianity is evidence of its falsity. Just relevant to an understanding of his thought and legacy. 010
Greg Priest @gregpriest.bsky.social · 19/04/2026Charles Darwin died OTD in 1882. Stories of a deathbed renunciation of his doubts about Christianity and recantation of his theory circulated widely (mostly in the US, predictably). They were, however, lies. He was buried in Westminster Abbey, next to John Herschel. 🧪🌱🐋 #HistSTM #Evobio #PhilSci 15717