› added 7 years ago

337

TIL Vitamin D is not really a vitamin, but a hormone that starts synthesis with sunlight.

Read more yourhormones.info

via reddit.com

VMKG8 TIL In 2005 war games, a Swedish submarine called HSMS Gotland was able to sneak through the sonar defenses of the US Navy Aircraft Carrier Ronald Reagan and its entire accompanying group, and (virtually)sank the US Aircraft carrier on its own and still got away without getting detected.
YdNd TIL the fastest that humans have ever travelled on land is 760MPH (ThrustSSC). In the air, 4520MPH (X-15 Jet). And in space, 24,791MPH (Apollo 10 upon re-entry).
LVx9 TIL: During the First Wave of Feminism a Spanish mother raised her child to be the Woman of the Future she spoke 6 languages when eight years old, finished Law School at 17 and then her mother shot her to death.
lopwK TIL: Balbir Singh an Indian Sikh also known as "Eco Baba" single-handedly cleaned and restored the 160 Km (110 mile) long Kali Bein river in the region of Punjab, India. he was later awarded the indian civilian award Padmashri in 2017.
E1ZM7 TIL Cognitive distortions are inaccurate thoughts which are usually used to reinforce negative thinking or emotions — telling ourselves things that sound rational and accurate, but really only serve to keep us feeling bad about ourselves.