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TIL that baby tiger sharks fight each other in the womb, with the largest embryo eating all but one of its siblings.

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9Yxbr TIL that Costa Rica went 300 days on 100% renewable energy in 2017.
16kk7 TIL that Everlast is the stage name of a solo artist, not a band, and be used to be in House of Pain.
GYMGG TIL that a toxin in bee venom called melittin may prevent HIV. Melittin can kill HIV by poking holes into the virus's protective envelope. Bee stings may also ease pain caused by rheumatoid arthritis. Scientists found that molecules in bee venom increase your body's level of glucocorticoid, an anti-
awAZy TIL several Mosler Safe Company vaults were installed in Hiroshima's Mitsui Bank building prior to WWII. After surviving the nuclear attack on the island, the company became renowned for the strength of the vaults and would be the gold standard for blast doors during the Cold War.
R55x6 TIL many Native American tribes used fire for thousands of years to manage forest brush for small game hunting as well as creating grasslands for big game to be hunted. This resulted in many species of plants, animals, and fungi to become extinct as the forest became a fire-adapted ecosystem.