› added 4 years ago

165

TIL about Anthropologist Prof Joy Hendry who has spent 45 years researching Japan

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via reddit.com

ADZYg TIL that three original transcripts of the minutes of the 1431 trial of Joan of Arc still exist.
Xd7k TIL : In 1191 King Richard I used chains made of silver to imprison the ruler of Cyprus because he had promised not to place him in irons.
9DP6 TIL there are still 10 people in the world living in an iron lung, including a man in Dallas.
VOR8 TIL Obsidian (volcanic glass) scalpels are used for surgery because they are sharper than high-quality surgical steel. The blade is just 3 nm thick while DNA is 2 nm thick.
wLGd1 TIL why toothpaste makes orange juice awful. A common detergent/surfactant called sodium lauryl sulphate in toothpaste both suppresses sweet receptors, and destroys phospholipids in your mouth which inhibit your bitter receptors. So it employs a double-whammy impact to your taste buds!