Today I Learned

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TIL eating 1 gram polar bear liver can be fatal due to an overdose of vitamin A that makes your skin fall off ( animals.howstuffworks.com )

A healthy human liver contains 575 international units (IU) of vitamin A per gram while a polar bear's liver contains between 24,000 and 35,000 IU per gram. Compare that to the tolerable upper level of vitamin A intake for a healthy adult human: 10,000. Signs of toxicity generally occur when approximately 25,000 to 33,000 IU are...

TIL The initial rate in 1866 for messages sent along transatlantic cable was $10 a word, with a ten word minimum. ( www.pbs.org )

The initial rate in 1866 for messages sent along the transatlantic cable was ten dollars a word, with a ten word minimum, meaning that a skilled workman of the day would have to set aside ten weeks' salary in order to send a single message. As a practical matter, this limited cable use to governments (transmissions from the...

TIL Alice Walton (Walmart heir) killed a pedestrian in a driving accident and was never charged. She has also been arrested for DUI twice but never charged. ( en.wikipedia.org )

The sketchy part is not her not getting convicted. It's that no charges were even filed. I also enjoyed this bit of info from one of the sources regarding the other DUI incident. Prosecutors in Texas have dropped a 2011 drunken driving citation against Wal-Mart Stores Inc. heiress Alice Walton.

TIL: Some cephalopods can fly… ( midwest.social )

Some cephalopods are able to fly through the air for distances of up to 50 metres (160 ft). While cephalopods are not particularly aerodynamic, they achieve these impressive ranges by jet-propulsion; water continues to be expelled from the funnel while the organism is in the air. The animals spread their fins and tentacles to...

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