Today's honors Justine Siegemund, whose 1690 manual (The Court was the first German medical text written by a woman.

Further info via : https://t.co/zp3QxTk1Za

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Today's celebrates the 80th birthday of Mario Molina, the Mexican chemist who demonstrated that gases were damaging the layer.

Further details via : https://t.co/LFelfj3sNc


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John Fothergill, an English physician & patron of several Quaker naturalists including Sydney Parkinson & William Bartram (whose painting of a Franklin tree is shown on the right), is 's

https://t.co/uIm5dJJotL

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John Edward Gray, 's Keeper of who helped Charles conduct research on is 's

(The image on the right is from Darwin's 1854 book on the subclass Cirripedia.)

https://t.co/QQ3UZQRsLZ

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Edward Donovan, Anglo-Irish naturalist and illustrator, is ’s

These engravings are from his Epitome of the Natural History of the of China (1798).

https://t.co/Q4LBEwP1ti

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Deborah Passmore, American botanical illustrator who became the head artist in 's division, is 's

https://t.co/W4ueVACjXH


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Happy to my friends in the Northern Hemisphere!

(And, of course, Happy to those of you south of the equator!)

[Planisphere from Sigismond Visconti & A.H. Dufour's Tableaux du système planétaire, c. 1830]

https://t.co/nHhTBInuVm

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Today a 🧵on mining maps, how to look at them, and what they tell us about how people perceived the underground world! With bits of map history, paper history, and obviously lots of For the untrained eye, these maps are difficult to understand...

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This be sure to send your holiday greetings by Radiogram!

(Poster encouraging U.S. servicemen in occupied to call home in 1949. Further details via : https://t.co/vBBwBuvH99)


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Edme-François Jomard, the French topographical engineer and cartographer who oversaw the publication of the Description de l’Égypte, is 's

https://t.co/vkctUdsaZp

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Oct. 2022 issue of Technology & Culture was just released, and the section is devoted to 's virtual

https://t.co/302guqiD0y

This writing project has been in the works for over a year. Here's a quick thread... (1/n)

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Our newest issue of Technology and Culture is OUT! We'll be doing a round up of this tremendous issue this weekend but in the meantime check it out online here: https://t.co/Tzj36k9FEW

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A Concise History of Veterinary Medicine by and Peter A. Koolmees

The first concise global history of veterinary medicine and animal healing, covering the past 400 years.



https://t.co/eUIpODc766

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Alcide d' Orbigny, French paleontologist who founded the science of was born in 1802 https://t.co/XgU4ZnXaGY

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Anders Sparrman, Swedish naturalist and student of Linnaeus, is 's

These ornithological illustrations are from ' copy of Sparrman's Museum carlsonianum (1786-9).

https://t.co/LahjzbY9M1


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The microscopic world is beautiful. Just look at all those Perty pictures!

Josef Anton Maximilian Perty, German naturalist who published an illustrated treatise on in 1852, is 's

https://t.co/lL28sRYIb7

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André Tacquet, a Flemish mathematician and Jesuit priest whose books are filled with emblematic imagery, is 's

https://t.co/Nqm1VWwTQN


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In Enlightened France, women acted as cultural mediators of physiocratic political economy, read more in Notes and Records https://t.co/3l58veV4zF

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An appetite for experiment! Explore the tastes of the Royal Society, just published in Notes and Records https://t.co/4noiPzVq0r

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celebrates Elijah McCoy (b. 1844), the Black Canadian-American engineer whose inventions improved the efficiency of locomotives & steam engines.

He is often cited as the inspiration for the expression, "The real McCoy"

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