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TIL phytoplankton account for half of the world’s supply of oxygen

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X0aeX TIL of the 1998 East Java Ninja killings, in which "ninjas" clad in all-black killed numerous people (many of which were notable religious leaders) suspected of "sorcery" after numerous cattle died mysteriously. In turn, villagers began killing anyone that suspiciously looked like a "ninja".
ADXDd TIL one of Switzerland’s defense strategies is to demolish every main road, bridge and railway access into Switzerland in case of a foreign invasion, with at least 3,000 locations around the country prepared to blow at a moment’s notice.
ZpnQR TIL On the Galápagos Islands, the sharp-beaked ground finch occasionally drinks the blood of larger birds like boobies. They peck at the base of the tail feathers until they bleed and then lap it up.
M7Q9A TIL: Pilot Charles Lindbergh invented the method we use for organ transplants with his close friend Alexis Carrel, who pioneered vascular suture techniques (used to create blood flow) based on his experience with lace creation and embroidery which we still use today.
NXwgN TIL of Lost City a robust ancient Ancestral Puebloan city in Nevada that was rediscovered in late 1800s that was knowingly flooded and lost due to the Hoover Dam construction and creation of the Lake Mead reservoir