› added 7 years ago

405

TIL Cheetahs meow like cats.

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gM147 TIL that Pittsburgh is the only city where all the major sports teams (Steelers, Pirates, Penguins) all share the same colors, as black and gold represent the ingredients to make steel (coal and iron ore).
yQ5GJ TIL that Trichloramine, the byproduct of urine/sweat and chlorine, is a dangerous compound for our lungs and is responsible for the classic smell at indoor pools.
o9yK TIL Crows have different warning calls – one for cats, and one for hawks, and another for humans – 250 in all
XE78D TIL: Town planning was an Olympic event up until 1948
loD15 TIL that Jeff Bezos is spending $42M building a 10,000 year clock