› added 4 weeks ago

5

TIL cats' purring frequency (around 25-150 Hz) has been scientifically shown to be self-healing for them, including aiding in bone healing, and reducing stress.

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via reddit.com

JYNLQ There is a weird black hole which bends light back on itself like a boomerang.
Oowke TIL about Rubber Duck debugging, a name for solving a problem by trying to explain it to someone else
Y71jd TIL learned why Scotts and other fertilizers are so expensive nowadays.
7Kkr TIL that the day after 9-11, the Queen broke a 200 year old tradition and ordered the US National Anthem to be played during the changing of the guards at Buckingham Palace.
kJerW TIL On 27 March 2021, Croatia’s Budimir Šobat achieved the world record for breath-holding underwater, with a time of 24 minutes and 37 seconds. However, he breathed pure oxygen before immersion.