› added 6 years ago

65

Today I learned that there are brown dwarf stars which emit little to no visible light and can be as cold as - 55° to 8° F. They can be between 13 and 80 times the mass of Jupiter and fuse Lithium instead of Hydrogen.

Read more wikipedia.org

via reddit.com

p8edZ TIL in 1958, a white girl kissed two African American boys, aged 9 and 7, on the cheeks. The two boys were arrested, detained for 6 days without access to their parents or legal counsel, and were severely beaten by the police. The boys were detained for a total of 3 months.
6EEj7 Conrad Heyer, a Revolutionary War veteran, was the earliest-born American to ever be photographed and he was photographed in 1852 at the age of 103! He’s also “the only U.S. veteran to be photographed who crossed the Delaware River alongside George Washington in December 1776”.
8JYZ TIL multitasking is a myth. What we call multitasking is actually ‘switch-tasking.’ There is actually a stop/start process that occurs in the brain when we switch between tasks. This process causes “more mistakes, and over time it can be energy sapping.”
g9y8 TIL It takes a native English speaker 23-24 weeks to become proficient in Spanish but 88 weeks to become proficient in Chinese, Japanese, Arabic, or Korean.
yVene TIL The human body contains trillions of microorganisms — outnumbering human cells by 10 to 1 in a humanbody.