› added 10 months ago

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TIL Nuclear Winter is almost impossible because houses are no longer built from paper and whole cities don't burn up.

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via reddit.com

oR1DA TIL people with blue eyes indicate a lack of melanin. Eye color is directly related to the amount of melanin in the front layers of the iris. People with brown eyes have a large amount of melanin in the iris. It's believed blue eyes are can be traced to one human being. Darker eyes help reflect sun.
Wk9rd TIL: Nitrous oxide has been used as a recreational drug since the late 1700s, when laughing gas parties were held. This use led to the discovery of anaesthesia.
y4Vv TIL Margaret Thatcher was more proud of being the first UK Prime Minister with a science degree than she was of being the first female Prime Minister.
Wk5p9 TIL at the British surrender at Yorktown in 1781, the British were marching facing the French army, ignoring the Americans. Marquis de Lafayette, commander of the American Light Infantry brigade, ordered his band to play Yankee Doodle, and the British troops instantly turned to face U.S. soldiers.
GAgKE TIL Michael J. Fox's first role was in a Canadian series called Leo and Me. Four of the 125 people on the show's set, including Fox, developed early-onset Parkinson's — a disease that usually has an incidence rate of about one in 300.