› added 12 years ago

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TIL: Red-light cameras increase accidents at intersections by 28%

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yQ9bM TIL Screech owls bring Texas blind snakes into their nests so the snakes will eat the parasites that feed on the owlets.
OGb5X TIL the Sonic Hedgehog protein is a key signaling molecule in human embryos that helps control how the brain, face, and limbs form. Without it, major body parts wouldn’t grow in the right places.
QJxOp TIL that mudskippers use gill-chambers full of water as fishy scuba gear when they’re on land.
E1L7 TIL on August 12, 1944, the German SS entered the Italian village of Sant'Anna di Stazzema and killed every living thing, including 110 children (the youngest being only 20 days old) and 8 pregnant women, by machine gun and hand grenade. The massacre took 3 hours. Then they set the corpses on fire.
pY1QO TIL about meralgia paraestherica, a medical condition that causes nerve pain in the leg. A common treatment is to wear bigger pants. It’s also called “tight pants syndrome” or “skinny jeans syndrome”.