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TIL: Electric water heaters have 2 heating elements inside

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via reddit.com

pY6gO TIL that in the 1928 Olympics, a rower named Bobby Pearce stopped in the middle of the quarter final race in order to let a family of ducks pass his lane, allowing one of his opponents to pull ahead. He still managed to get first place out of 8 people and went on to win gold in the finals.
Z8dwQ TIL George Lucas named Tosche Station on Tatooine after Dave Toschi, the San Francisco Police Department’s chief investigator in the Zodiac Killer case
e06Kb TIL the phrase "souped up" predated automobiles and was actually a reference to injecting horses with steroids to improve their performance.
9Ya0G TIL: Blood given in an emergency situation is commonly Type O negative. Red blood cells from O- donors can be transfused to anyone, regardless of the person’s blood type. Thus it is always in demand but only 7% of people have it.
lQB TIL 10% of people have a mutation that triples their frontal cortex dopamine and makes them feel twice as much pleasure.