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TIL there is some chimpanzee populations that inhabit the savanna and act differently then the forest populations for example using caves, filtering drinking water, walking more on two legs than forest chimpz do and more. There is an Arte documentary on YouTube with them filtering water.

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K1K4 TIL Kangaroo rarely hops backward due to its anatomy, thus the reason it and an emu are on the Australian Coat of Arms, symbolizing a nation should only move forward.
9YWgm TIL that Für Elise, one of Beethoven's most popular compositions, was not published during his lifetime. It was only discovered in 1867, 40 years after his death.
epa8b TIL the London Bridge built in the 1830s, that spanned the River Thames was auctioned off and sold in 1968, was purchased from the City of London for $2,460,000. It was disassemble, shipped across the Atlantic, through the Panama canal, eventually reassembled in Lake Havasu City, Arizona.
Mnga TIL The World’s Longest Continuously Running Experiment began in 1927 at the University of Queensland Brisbane testing the viscosity of pitch - 8 drops have formed since it began.
b96YZ The rise of Genghis Khan and the Mongolian empire was responsible for the annihilation of an estimated 40 million people, but there were clearly more than a few conquests off the battlefield as well. A 2003 study suggests that 1 in 200 men are direct descendants of Genghis Khan. Studies of Y-chromosome data found that almost 8 percent of men living in the former Mongolian empire carry nearly identical Y chromosomes. Researchers believe this is attributed to a unique set of social selection circumstances put into play by the spread of the Mongolian empire. In this week’s "Today I Learned," research scientist Albert Lin elaborates on Genghis Khan as a romantic.