› added 5 years ago

85

TIL that 20 African countries are building a green wall across the continent to stop the spreading of Sahara Desert

Read more greatgreenwall.org

via reddit.com

gM1L8 TIL that Psy initially refused to upload "Gangnam Style" to Youtube, saying that he would be "humiliated" because he didn't have any international fans.
XEn1j TIL Pepper Spray is best washed out by initial baby shampoo (mixture wjth water) and then continuous, long rinse with pure water. Milk has been shown to not be as effective. Just water is better than nothing.
8Y1L TIL that black cats crossing your path is considered good luck in some places like England, Ireland, and parts of Asia.
9YJxp TIL The British inventor of the quicksort algorithm, Sir Tony Hoare, also created the null reference and called it his "billion-dollar mistake ... has led to innumerable errors, vulnerabilities, and system crashes ... probably caused a billion dollars of pain and damage in the last forty years".
PY8Mw TIL that a horse actually has up to 15 horse powers.