› added 3 years ago

506

TIL that there are 20 million tons of gold in the sea.

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via reddit.com

XEgbk TIL that fossils of sea creatures called Ammonites are considered holy symbols in the folk Hindu beliefs of India and Nepal. They and other marine fossils are found in the Himalayas, which were raised from the now-drained Tethys Sea. Climbers to Mt Everest have brought back fossils of Sea Lilies.
YppZG TIL many EXIT signs contain a radioactive isotope of hydrogen, tritium gas. This allows for radioluminescence, which makes the sign glow as a result of low-level beta radiation from the tritium decay.
bYp7 TIL There Have Only Been 3 Perfect Games in Putt-Putt Professional Golfers Association (PPPGA) History
0Nmv TIL the biggest mall in the world is 99% vacant and has been since it opened in 2005
Oy7a TIL CPR only has an 8% effectiveness. However, many believe it is much more effective because on TV it has a 75% effectiveness and 67& of the characters who had been given CPR lived to leave the hospital.