› added 4 years ago

101

TIL an Ohio company including a physicist & biomimicry expert is developing a football helmet liner based on the shock-absorbing pelt of hedgehog quills. They've mimicked the structure of a hedgehog quill with a polymer which lets it bend but not break & mimicked the spacing & angle of each quill.

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5k7k TIL there were two David S Cohen’s on the production of Futurama so the co-creator changed his name to David X Cohen because the Writer’s Guild prevents two people of the same name working on the same production.
XkrE TIL Hydrangea flowers are a naturally occurring pH indicator, turning pink in basic soil and blue in acidic soil
DQneY TIL That besides Las Vegas New South Wales has the highest amount of sloth machines at 95,000, and they’re mostly being used for money laundering.
0d7Kp TIL The song "Yankee Doodle" was originally sung by the British during the Revolutionary War to mock Americans. "Yankee doodle dandy" meant an uncultured, effeminate, American. When the Americans began winning, they started singing the song themselves to mock the British.
amay TIL that children of 4 to 5 years old naturally tend to skip more often because it is more efficient and less fatiguing than walking or running for their bodies