› added 5 years ago

195

TIL there are no documented cases of wild orca whales attacking humans...and that orcas are...dolphins?!

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p8Brb TIL that at around 20 metres underwater gravity overtakes the buoyancy of your body and you start falling towards the centre of the earth.
P0kL TIL that gay and bisexual men are only 2% of the U.S. population, but account for 63% of new HIV infections
kJ4wE TIL the "metals of antiquity" are gold, silver, copper, tin, lead, iron, and mercury.
5lbD TIL That during a concert in San Francisco in 1973, an audience member watching The Who played the drums for the band when Keith Moon passed out mid-show
P10AJ TIL that woolly mammoth proteins were just recently directly imaged for the first time. A scientist used an electron microscope to image the collagen protein of mammoth bone at the molecular level.