› added 12 years ago

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TIL orangutans can use ‘calculated reciprocity’, which involves weighing the costs and benefits of gift exchanges and keeping track of these over time

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QNjBa TIL Kangaroos never stop growing!
N7xae TIL that despite being 23 kg (50 lbs), medieval knight armo(u)r is actually not as stiff as often portrayed and quite flexible. A Knight would be able to run full speed in it, fight with the dexterity of a common soldier and even perform acrobatics.
4Xyxa TIL Ed Sullivan took heat from show sponsors Ford Lincoln dealers, for kissing Pearl Baily on the cheek and shaking Nat King Cole's hand during his TV show. He also had a Ford executive thrown out of the theater after he suggested Sullivan should stop booking so many black acts.
oBQnr TIL that in 1648 an angry mob of Parisians once broke into the royal palace, demanding to see the king. They were led into the bedchamber of Louis XIV, who was pretending to be asleep. Satisfied, the mob quietly departed.
GneG TIL April 11, 1954 was the most boring day in history.