› added 1 month ago

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TIL the Sonic Hedgehog protein is a key signaling molecule in human embryos that helps control how the brain, face, and limbs form. Without it, major body parts wouldn’t grow in the right places.

Read more medlineplus.gov

via reddit.com

Y7BG TIL: There is a game called Desert Bus. The objective of the game is to drive a bus from Tucson, Arizona to Las Vegas, Nevada in real time at a maximum speed of 45mph. The feat requires 8 hours of continuous play to complete, since the game cannot be paused.
meEY TIL that gut bacteria could very well be manipulating our minds to cause cravings for certain foods they need in order to stay fit– such as lipids and sugars.
neMjG TIL that there was a real-life John Wick. Meet Chester Wheel Campbell, the king of contract killers in Detroit. Raised in a secret school of hitmen of just a dozen students, he learned the legal system, had high-profile connections, and survived 4 bullet shots (3 in the leg and 1 grazed his head)
OBle TIL there is a 12,000 year old structure, 7,000 years older than mesopotamia, being excavated in Turkey.
a8PrL TIL that in 1933, U.S. Roosevelt ordered Americans to sell much of their gold to the government. While exceptions were made for jewelry, art & teeth, possessing more than $100 of gold coins, bars, or bullion was penalized by steep fines or up to 10 years imprisonment. The order lasted until 1974.