› added 10 years ago

239

TIL that 29% of San Francisco’s air pollution comes from China.

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1aKOD TIL that belly button lint forms because your hairs point toward your navel, and breathing causes your shirt to move up and down, transporting loose clothing fibers forward along those hairs, but not backward.
eegD TIL Dolphins can see our skeletons and heartbeats via their sonar and have even been known to ward off sharks preying on humans.
dDVE9 TIL of the "NanoHedgehog" - a molybdene compound that is large enough to be compared with proteins
YB07 TIL Broken Lizard is in the process of making Super Troopers 2, and is only being held up by a legal situation with FOX.
jePR TIL that all citizens of France are automatically also citizens of Scotland