Posted in r/todayilearned by u/qasqaldag • 272 points and 16 comments

American surgeon and medical researcher

Mere days before Alex Trebek's death, Ken Jennings was able to speak to the Jeopardy! game show great one last time. Read on for what Jennings remembers from their final chat.

mass resettlement of the Circassians, as well as Abazins and Ubykhs to the Ottoman Empire during and after the Caucasian War

ancient analog computer designed to calculate astronomical positions

Discover the beginnings of LSD with this doc that brings the psychedelic substance back into the lab, where it all started in 1943.

Paleontologist fight! Intense rivalries between scientists have produced some remarkable findings throughout history. Tesla vs. Edison, Newton vs. Hooke. In terms of bitter, petty warfare, though, …

artist discography

The year was 1947. World War II had come to an end, and nations across the globe were rebuilding. For Canada, that meant a return to free market capitalism after years of government-mandated freezes on wages and the price of goods and services. Looking to…

most northerly city in Alaska, USA

Fluorine is relatively rare in the universe compared to other elements of nearby atomic weight. On Earth, fluorine is essentially found only in mineral compounds because of its reactivity. The main commercial source, fluorite, is a common mineral.

1928 silent film by Paul Leni

2006 film by Mike Judge

International East German radio station

heavier-than-air powered aircraft, designed and built by the Wright Brothers

Golden Corral lives by a 100-year plan. 

For CEO Lance Trenary, that means the company will always make decisions consistent with it being in business for at least a century. There’s no short-term reactions, and no strategy will move forward at the expense…

Which African animal hunters are the best? We look at success rates among Africa’s apex predators and which of them rules the hunting fields.

Around 1650 B.C.E., the Bronze Age city of Tall el-Hammam was wiped out by a blast 1,000 times more powerful than the atomic bomb used at Hiroshima

Mexican executive chef (1895-1975)

The Roman withdrawal from Africa was the attempt by the Roman Republic in 255 BC to rescue the survivors of their defeated expeditionary force to Carthaginian Africa during the First Punic War. A large fleet commanded by Servius Fulvius Paetinus Nobilior…

I have written this article to give wider exposure to some fascinating scientific insights into the complicated mating habits of octopuses. Most male octopus have…