› added 1 year ago

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TIL that low magnesium can cause both severe mental and physical side effects

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via reddit.com

ep7dD TIL high-quality lenses made from rock-crystal were discovered among Viking artifacts. They are so well-made that they could have been used in a telescope. These lenses were crafted over a thousand years ago, long before the time of Galileo.
rv6o TIL that dinosaur fossils can “opalize” rather than fossilize.
WV6L TIL Dorcas Hoar, who could supposedly predict the future, was convicted during the Salem Witch Trials. In September, she asked that her execution be delayed for one month so she may pray and repent. Her request was granted and her life was spared when the Governor dissolved the court in October.
R7lDQ TIL that the average person will spend 4 months of their life just waiting for red lights to change to green.
j6XJj TIL that AT&T introduced 'Wirephoto' in 1924 that allowed photos to be sent over telephone lines