M.C. Escher, “Angels and Demons,” part of a series called “Capturing Infinity,” 1960. Escher worked on consultations with several mathematicians to develop much of his artwork.
Pennhurst asylum and school – formally called the Eastern Pennsylvania Institution for the Feeble-Minded and Epileptic — ran for the better part of the 20th…
There are many 19th-century paintings like this — where there are seemingly hundreds of minute figures, and you have to concentrate on the small patches…
Phytophthora infestans –the micro-organism responsible for potato blight, most horrifically with the Irish Potato Famine of 1845, which depleted the population of Ireland by 30%! (A…