› added 10 years ago

314

TIL when a Sharpie is left uncapped and the tip dries it can be salvaged by soaking it in rubbing alcohol

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LQ6rr TIL about FADs (fish aggregating devices), which are man-made floats or buoys tethered to the ocean floor. Fish are fascinated with and aggregate in considerable numbers around floating objects which provide a “visual stimulus in an optical void.” 1/3 of global tuna are caught using FADs.
LkaOm TIL There's a sexually transmissible cancer which shows up in all stray dog populations around the world except Chernobyl
o9yK TIL Crows have different warning calls – one for cats, and one for hawks, and another for humans – 250 in all
9YGPm TIL American alligators live farther from the equator and are able to handle colder weather conditions better than all other crocodilians. They have adapted to freezing water by going into periods of brumation. The natural range of the American alligator extends as far north as North Carolina.
Wkdwo TIL when he retired in 1999, Wayne Gretzky held or shared 61 NHL records. 21 years later, he still holds or shares 60 NHL records