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TIL Hippopotamus Milk is Pink in Color. Hippopotamuses produce two unique skin secretions (so unique they're named after the animal), "hipposudoric acid" and its analog "norhipposudoric acid". It gives the hippopotamuses' sweat a red coloration, commonly believed to be blood (it's not).

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obr TIL Bill Murray once broke Robert De Niro’s nose
0wBxN TIL in 2003 when the Tomb of the Unknowns in Arlington was in a cracked state from weathering, a retired used car salesmen purchased a $31,000 marble slab to donate for its repair. The donation was rejected by Congress in part because it didn’t go through a competitive bidding process.
b9NVN TIL that two cars crashing head-on at 50 mph is not comparable to one car hitting a wall at 100 mph. "Although the two-car crash doubles the speed, the energy [of] the crash is transferred to twice the mass resulting in a crash that looks like just one car hitting a wall at 50 mph."
6YlX TIL in 2010 Sandra Bullock won a Razzie for Worst Actress and an Oscar for Best Actress within 24 hours of each other.
OyXX TIL Arnold Schwarzenegger was once pelted by an egg at a political rally, in response Arnold said “This guy owes me bacon now … you can’t have egg without bacon”.