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3

TIL that frogs account for 88% of extant amphibian species

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e0OAk TIL Tajmahal was so bright even at midnight, INDIA covered it up with forest of twigs and leaves during 1971 INDO-PAK war, so that it can't be used as a reference point by PAK aircrafts.
X06Ok TIL F. Scott Fitzgerald created football's "Two Platoon System," with different offensive and defensive players; before giving Michigan Coach Fritz Crisler the idea in 1945, the same players played both sides of the ball. As a freshman, the 135-pound Fitzgerald didn't make Princeton's team.
GA9o7 TIL Jonny Greenwood pretended to play keyboards for months when he joined Radiohead. He was told "I can’t quite hear what you’re doing, but I think you’re adding a really interesting texture"
Z80dG TIL wheelchair athletes with spinal injuries will sometimes intentionally injure themselves on the lower body (e.g. break a toe), causing their bodies to respond by raising blood pressure and enhancing their performance. This practice has been banned as cheating.
Qn4a TIL that a Penn State researcher introduced pigs to joy-stick controlled video games, and in weeks they would begin to “beg to play video games. They beg to be the first ones out of their pens, then they trot up the ramp to play.”