› added 4 years ago

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TIL Peeling away Scotch tape in a vacuum releases enough x-rays to image your hand.

Read more nature.com

via reddit.com

VyED TIL the youngest Olympic athlete in Rio ‘16 was born in 2002
aw4ZJ TIL 9 year old Rachel Beckwith started a $300 fundraiser for clean water. She asked friends and family to donate $9 instead of B-day presents. She only raised $220, and sadly died in a car accident soon after. Her story spread, her $220 grew to $1.2 million, providing clean water to 37,770 people.
LQO80 TIL about Aurel Persu's car design. This car, implemented in 1922-1923, was shaped similar to a waterdrop and it had a drag coefficient of 0.28 (same as a modern Porsche Carrera)
xekg TIL that Australia recommends eating around 30 different foods a day to be healthier, live longer and have reduced risk of developing lifestyle illness such as heart disease, cancer and diabetes
4dP5 TIL that “Painting Elephants” are tortured to break their spirit, and then trained to move their trunks in the direction the trainer pulls the elephants’ ears.