› added 10 years ago

76

TIL Asians are genetically less prone to become alcoholics.

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e0ap4 TIL about the Kogi tribe, an indigenous people who choose their priests at birth and raise them in a dark cave for a decade to connect them to the earth.
9w65p TIL that when the Arctic ground squirrel hibernates it's body temperature can reach -2.9 degrees. It can prevent it's blood from freezing by cleansing it's body of ice nucleators which enable the development of ice crystals. This is being studied to help preserve human organs for transplant.
wojYJ TIL that ELVES are a rare type of red lightning that involves red flashes with a radius of 350 km (220 mi) which only last for 0.001 second. They form when an electromagnetic pulse shoots upward and causes the nitrogen molecules to glow scarlet.
697nX TIL cigarette smoking causes certain drugs to be metabolized faster, including caffeine. Heavy smokers need to drink up to 4 times as much caffeine to have the same effect as a non-smoker.
KYMoQ TIL that in a 2006 study, participants who processed a negative experience through talking to a tape recorder reported improved life satisfaction and enhanced mental and physical health relative to those who only thought about it!