› added 9 years ago

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TIL Sperm whales only have one blow hole which evolved from the left nostril. The right nostril is located inside the front of the whale’s head and has evolved into a pair of lips used for echolocation.

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OGPjg TIL A "jiffy" is an actual unit of time. It represents 1/100th of a second
8a5Za TIL that shark skin is not soft, but feel more like sandpaper.
ANM7n TIL after Martin Luther King Jr.'s papers were donated to Stanford, it was discovered he plagiarized his doctoral dissertation and other works
rNXAw TIL about the Fallen Astronaut, a 3.5 in/8.9 cm aluminum sculpture. It is a stylized figure of an astronaut in a spacesuit, intended to commemorate the astronauts and cosmonauts who have died in the advancement of space exploration. It was placed on the Moon by the crew of Apollo 15 in 1971
dDwQZ TIL In 2013, the first artificially reproduced human tooth was created in China. Scientists were able to create the tooth using epithelial cells extracted from human urine.