› added 9 years ago

183

TIL that one reason whales have become the largest animals ever is because their biggest predator, the 50 ft Megaladon Shark, became extinct at the beginning of the current Ice Age

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jNaOn TIL that some Inuit groups used ridicule in the form of song duels as a means of conflict resolution. Two men who had failed to resolve a conflict by other means would secretly compose derisive songs about their adversary. The whole camp gathered in a large igloo to observe the song duel.
9wW1X TIL that there is a lock in the Netherlands with a doorbell for fish. As soon as the doorbell rings, the lock is opened so that the fish can swim through in search of a place to lay their eggs.
VMPd4 TIL while monkeys have the vocal cords to speak like humans do, their brains lack the wiring necessary to control their voices for precise tones. This prevents them from making the wide range of sounds necessary for speech. If their brains were wired like a human, they could theoretically talk.
R7xd9 TIL that if the 1980 U.S. hockey team had lost to Finland after the Miracle on Ice game, the Soviets would have won the gold medal
E1wEx TIL ultrasonic blades use sound waves to cleanly and precisely cut difficult-to-process food, like cheese. In particular, the technique stops matter from sticking to the blade, reducing cleaning time.