› added 6 years ago

57

TIL Sperm whale sonar clicks are so loud they can do physical harm to divers.

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84wZ TIL living near coal-fired power stations exposes people to higher radiation doses than living near nuclear plants
wrEE TIL a Sea Organ in Croatia continuously plays music powered by waves that flow through tubes located underneath a set of large marble steps
W7vw8 TIL that compasses point north because the North Pole's polarity is actually 'south'
m1m5o TIL the pajamas that we wear today actually have a story behind it. Because during World War I air raids in England, people began donning pajamas rather than nightgowns so they would be ready to sprint outside in broad daylight and still would look presentable.
ne6y9 TIL that the most decorated WWII soldier received every medal of valor by the age of 21. After returning home he then starred in over 40 Hollywood movies including films about himself.