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TIL Cyclones, typhoons and hurricanes are essentially the same thing. They have different names because each of them occurs in a specific oceanic location on Earth.

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PNwJ TIL cosmonaut Sergei Krikalev launched into space as a Soviet citizen, but returned to earth as a Russian citizen - he was in orbit when the Soviet Union dissolved on December 26, 1991.
XEglE TIL: Horseshoe crab has 10 eyes. Some detect both visible & UV light and some help find mates during the spawning season.. The eyes are a million times more sensitive to light at night than day. They've been around for 450 million years, are not crabs actually and more related to spiders.
8ajZb TIL, that a decapitated flatworm can regrow not only its head back entirely but also all of its old memories back with it.
ZpxPR TIL - Sati Handprints. When the maharaja died in 1847, his 6 wives and 58 concubines all burned with him on the pyre.
0ww6y TIL California (population 39 million) has a larger economy than France (66mil), India (1.3bil), Italy, Brazil, Canada, South Korea, Russia, and Australia.