› added 10 years ago

278

TIL roughhousing with your kids is good for them.

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via reddit.com

lWxA TIL When a coal mine catches fire, it burns for decades or even centuries. There are thousands of these fires across the world at any given moment.
R7mO9 TIL about Precordial Catch Syndrome (AKA Texidor's Twinge), which is when someone gets a sharp stabbing pain in the side of their chest for a few moments, then it disappears with no lasting effects. Why this happens is unclear
oRB1W TIL Global shark populations were wiped out by up to 90 per cent around 19 million years ago, even though there were no signs of sudden climatic or environmental changes
rNWRd TIL: Chewing gum is banned in Singapore because this was used to disrupt MRT trains (Mass Rapid Transit) by sticking it to door sensors.
WLyN TIL the first ingredients listed on a package of goldfish are “Smiles”