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TIL elephants rarely get cancer because they have extra copies of two cancer-fighting genes: P53, which hunts for cells with miscopied DNA, and LIF6, which obliterates the mutated cells before they can form a tumor.

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16OMO TIL Kaluga (Huso dauricus), also known as the river beluga, is a large predatory sturgeon found in the Amur River basin. With a maximum size of at least 1,000 kg (2,205 lb) and 5.6 m (18.6 ft), the kaluga is one of the biggest of the sturgeon family.
RXKa TIL what happens when we drink sea water: A kidney can’t make urine from a concentration of salts of more than 2%. Seawater is made of 3% salt, so if we drink it the kidneys have to use existing water from our body to dilute the extra salt, which in turn makes us even thirstier.
OoYZX TIL a total of 2,500 Londoners have been arrested over the past five years for allegedly sending “offensive” messages via social media.
EkQp TIL a Russian movie director invaded a Ukrainian city and turned it into a 1952 totalitarian society movie set in which for 3 years, actors never left. Including hidden cameras, 24-7 mandatory 1950’s Soviet clothing, canned food stamped with 1952 expiration dates, and fines for using modern phrases.
nWWl9 TIL that a Nigerian-born man named August Brown took part in the Warsaw uprising in 1944, WW2