› added 5 years ago

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TIL of a top secret US Cold War project "Iceworm" to build nuclear missile sites under the Greenland ice sheet. Abandoned due to ice instability it was assumed the chemical and radioactive waste would remain under the ice forever. It's now predicted this waste will re-enter the environment in 2100.

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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.
LZ5m TIL that during the Cambodian massacres, Khmer Rouge tricked intellectuals working/exiled abroad by asking them to come back to rebuild Cambodia. When the special plane sent to collect them arrived,they were killed.
OKjX TIL The reason dogs give you a goofy look when pooping is because they expect you, as the Alpha Male and leader of the pack, to protect him while he’s in a ‘vulnerable position’.
NJXP TIL of a quarantined leper colony in Hawaii that, when the patients were cured, was made into an independent county where the patients could stay as residents. To this day no one under the age of 16 is allowed in, and the only visits allowed are officially sanctioned tours.
KgdE TIL That there are some really creepy urban legends in the video game world.