# 16c histsci histastro history twitterstorians earlymodern sciart venn onthisday philsci logic icymi orchids scientistoftheday womeninstem botany histscifest hstm histtech histmed arthistory tessellations ursamajor perseus womenshistory museums sts space parkinsonsdisease otd fossil eqhist darwin

Astronomical rings were made popular by Dutch instrument maker Gemma Frisius. Simple & ingenious, they identify the meridian when the rings' shadows come together. These rings were made by Frisius' nephew in 1567.

https://t.co/yExra3XFSF

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2020-08-28

The image is by one of my absolute favorites.

The below are from Figuier’s La Terre avant le Déluge (The World before the Flood). Images: Wikimedia Commons.

https://t.co/OU8KGJ6A59

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2020-08-23

Quantum physicist Werner Heisenberg loved to draw in his sketchbook. Here is his colourful portrait of beautiful Würzburg, Germany, with its prominent medieval bridge and Festung (fortress / castle). (From the Jochen Heisenberg collection)

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2020-08-07

Good morning, ladies and gentlemen...please enjoy this moment of

(John Venn, English mathematician, philosopher, and diagram namesake, was born in 1834.)

https://t.co/7DFE090usC

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2020-08-04

M.C. Escher, Dutch graphic artist and creator of mathematically inspired illustrations, is our

https://t.co/FqPAcxqgOF

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2020-06-17

We move on now to perhaps the most famous astronomical card game: Urania's Mirror!

has a complete set of these beautifully illustrated cards. Learn more about it here: https://t.co/dyytRPYb1Q


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2020-06-13

Exploring epidemics across history, science, society, and art - great blog posts from students in Paola Bertucci's graduate seminar at Yale on visual and material cultures of science! https://t.co/NICbXebfjX

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2020-05-15

Fabulous 1753 depiction of itinerant tradesman by Marcellus Laroon - notice the spectacles! Small vision aids were widely sold in streets and diverse shops in cities like London for centuries: https://t.co/Tu5ukgALNf

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2020-05-01

"Before and after" ad from 1893 at for "Duchess pills" - which in addition to enhancing one's beauty were supposed to cure anemia, palpitations, and skin eruptions: https://t.co/Tu5ukgALNf

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2020-05-01

Fascinating introduction at to the history of women in glassmaking, including the production of incandescent lightbulbs as seen on the cover of Scientific American in 1895: https://t.co/kkkmnIqVOn

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2020-04-29

Robert Yerkes artifacts illuminate history of primate research, intelligence testing, WW1, eugenics, and science & women scientists in Russia & Cuba! Guest appearances by Ivan Pavlov & Alfred Kinsey: https://t.co/gm7r2HuIQY

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2020-04-17

Just published - "Prelude to the Lunar Base Systems Study I: Lunar Oxygen (1983)" - https://t.co/nRfXJFT4Rq - DSFP's Spaceflight History Blog. Please enjoy responsibly. 😉🌖🚀#histSTM

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2020-04-15

James Parkinson, English surgeon & namesake of was born 1755.

In addition to his medical research, Parkinson was an avid collector & published a 3-volume paleontological work (Organic Remains of a Former World).

https://t.co/jM1T6pyyh4

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2020-04-12

Yesterday's Scientist of the Day was George Douglas, the Scottish gentleman scientist who complicated 19th century discussions of heredity with his paper on the quagga (seen here).

https://t.co/CkaPDP16mM

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2020-04-05

A review essay has appeared by in covering three recent books about

Ken Thompson: Darwin’s Most Wonderful Plants

: On the Backs of Tortoises

: Evolution Before Darwin

https://t.co/t4rtCFFCbg

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2020-04-03

Engravings from Metamorphosis Insectorum Surinamensium (1705) by naturalist and scientific illustrator, Maria Sibylla Merian.

Merian was born 1647. Further details about her remarkable life: https://t.co/dvqS0lc41j

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2020-04-02

Welsh artist and illustrator Moses Griffith was born 1747.

These drawings are from a set of Griffith's sketchbooks that purchased in 1952.

Further info: https://t.co/blCLWH508E

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2020-03-25