› added 9 years ago

419

TIL that chewing gum enhances alertness and attention while driving

Read more ncbi.nlm.nih.gov

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BBZb TIL that Yuma, Arizona is the sunniest place in the United States and one of the sunniest in the world.
EgbPX TIL about the 'sexy hand-axe’ theory in evolutionary psychology. This proposes that elegantly-made symmetrical stone hand-axes, which characterise the Acheulean Period of human development, were used as a status-signalling device to attract women.
awDMo TIL Unit 731 in the Japanese Army undertook lethal human experimentation during WWII, not publicized because the U.S. secretly granted immunity to the physicians in exchange for research on biological warfare and data from human experimentation.
NXkBP TIL about Corrie Mckeague, an Air Force Gunner who disappeared while returning home from a night drinking with friends. The leading theory for his disappearance is that he climbed into a garbage bin to fall asleep, and was picked up and eventually crushed by a garbage truck.
N7Kj6 TIL: Sweden has a hotel for sourdough starters that cares for travelers’ bread dough while they go traveling.