› added 10 years ago

19829

TIL the brains of rats have a “random mode” that is switched on when they are in unfamiliar situations

Read more theguardian.com

via reddit.com

4XXNb TIL The suns diameter is 864,000 miles & There are 86,400 seconds in a day on earth.
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9wAW6 TIL that while the use of Lemons as a cure for Scurvy was published in 1753 the British Admiralty refused to use it until 1793, while the Merchant Navy ignored the discovery all the way up to 1867.
kOAYe TIL Ancient DNA shows how recent adult lactose tolerance is, in evolutionary terms. 20,000 years ago, it was non-existent. Today, about 1/3 of all adults have tolerance. That lightning-fast evolutionary change suggests that direct milk consumption must have provided a serious survival advantage
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