› added 5 years ago

135

TIL Despite rigorously training the dogs that went into space, when Soviet scientists had one escape days before a flight they simply grabbed a stray and sent him instead. His flight was successful.

Read more wikipedia.org

via reddit.com

D16We TIL the Peace Symbol represents the flag semaphores for ‘N’ (flags held at 5 and 7o’clock positions) and ‘D’ (flags held at 12 and 6o’clock) and stands for Nuclear Disarmament.
J1PDV TIL women get smegma too
5Ypo8 TIL april fool started when france switched from julian to gregorian calendar , and people who were slow to recognize January 1 as new year celebrated April 1 as new year became the day of jokes and swindle.
O7g6 TIL that experiences you have throughout your life, leave chemical markers on your DNA; essentially ingraining superficial experiences into your descendants.
78krp TIL Olbers's paradox: for centuries there was no widely-accepted explanation for why the night sky is dark (if the universe is infinite, eternal, and/or static, the night sky shouldn't be dark)