› added 5 years ago

91

TIL that cats aren’t actually “playing” with their prey. What they are actually doing, is tiring them out so that they can bite the preys nape (back of neck) without risk of being bitten or injured themselves.

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RPd6 TIL that during one particular Rolling Stones concert, four people were killed but the overall population of the concert did not change since four babies were born during the concert as well.
rMO4 TIL of Demi-Lee Brennan, the first liver transplant patient to switch blood groups - at estimated odds of 6 billion to 1. The switch in blood type means the 15-year-old no longer requires life-long consumption of immunosuppressant drugs which are used to stop the body from rejecting a new organ.
56bp TIL the Snickers bar was named after a favourite horse of the Mars family.
loBZG TIL When Helium is cooled to a few degrees below its boiling point, will suddenly be able to do things that other fluids can't. Dribble through molecule-thin cracks, climb up and over the sides of a dish, and remain motionless when its container is spun due to its frictionless flow.
yQQpw The science of the "vampire facial"