› added 9 years ago

80

TIL Every 15 seconds, someone becomes a victim of human trafficking and slavery.

Read more slaverytoday.org

via reddit.com

yQGv8 TIL that in the 50's NASA recruited Deaf people to research why they didn't get motion sickness. Tests included flights in 'Vomit Comet' and sailing in the rough seas (researchers got violently sick, while Deaf people just played cards happily).
b6vg0 TIL The first picture of Earth from space was taken by a WW2 era V-2 rocket built by the USA, after capturing German scientists who had worked on the 'Vengeance Weapon'. It was built with both captured Nazi Germany components and remanufactured parts.
N77O6 TIL: That 80% of strokes are preventable.
7rXPP TIL: That only in 1992 we confirmed there are planets beyond our solar system.
oNmL TIL Diamonds are so dense they slow light to half their normal speed which is what helps give diamonds their sparkle.