› added 10 years ago

88

TIL that Hitler’s plan for Moscow was to kill all residents and replace it with a lake

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4X6Dw TIL Wadi-al-Salam, the world's largest graveyard, covers 1500 acres, sees 350 burials a day and contains 5 million bodies.
ep6N4 TIL the FLIP (Floating Instrument Platform) is an ocean research vessel that can flip from horizontal to a 90° vertical floating position like a buoy. When vertical it's imperviable to wave motion and can withstand 80ft swells.
nJNY TIL that since the introduction of atomic time, leap seconds became necessary, resulting in a minute with 61 seconds.. There are approximately 8 leap seconds every decade.
b64jN TIL that historically, syphilis was treated by infecting patients with malaria to induce fever. About 15% of patients died from malaria, but this was considered better than the near-certain death from syphilis.
9Q0Q TIL that Philips and Sony designed their first audio CDs to hold up to 74 minutes to ensure they could hold a complete recording of Beethoven’s 9th Symphony.