› added 3 years ago

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TIL that Saudi Arabia imports sand from Australia and the UK

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via reddit.com

PYgve TIL that the Bald Eagle (the national bird of the United States) is one of the greatest conservation success stories ever. Populations dwindled in the 1900's due to the insecticide DDT which caused eggs to break. After the banning of DDT, eagles can now be found in 49 out of 50 US states.
NjwP TIL (When looking back at how big France has played apart in American history) Congress wore black and mourning badges for 30 days after Lafayette’s death, the same treatment Washington got.
0wDmp TIL Industrial designer Sara Little Turnbull was hired in 1958 by 3M to design a new bra cup. She ended up designing the N95 respirator.
Rr8w TIL that since Bale had recently been in The Machinist, he was about 120lbs(54kg) before he began work on Batman Begins. He was told to be “as big as you could be” and after 6 months, he was at 220 - too large to play the Batman Nolan wanted. He then dropped 20-30 lbs.
6EBMQ TIL Stephen Hawking once sent his PhD student away with a very hard problem – finding exact rotating black hole solutions of Einstein’s equations with a cosmological constant – and was stunned when he came back a few days later with the solution