› added 3 years ago

101

TIL Jupiter's moon Europa is covered by a thick layer of ice, with a huge subsurface ocean of liquid water underneath it. Estimates give the ocean an average depth of 100km, and a radius of 877km. This equates to 3 times the combined volume of water of Earth's oceans.

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BGDd TIL The Roman Colosseum had 28 lifts which hoisted animals 24 ft up, then cage lids and trap doors in the arena floor opened simultaneously, unleashing beasts to fight each other or men. A lift was remade last June, ridden by a wolf who received a biscuit when released into the Colosseum.
VZ8G TIL: In 1911, Wolves attacked a traveling wedding party in Russia, consisting of 120 people. Only 2 survived.
NjeN TIL squirrels do not use sense of smell to find the hundreds of locations where they stored nuts for winters, instead they rely on spatial memory to remember location of each nut. A feat possible because of significantly larger hippocampus in rodent species.
PXyg TIL that as of 2003, there were between 50 and 100 people in the US who had nuclear-powered pacemakers.
b6WOZ TIL Kylie Jenner lost a trade mark battle against international pop star Kylie Minogue in 2017. Jenner was informed that Minogue had owned the Kylie.com domain since 1996, a year before Jenner was even born.