› added 9 years ago

433

TIL Corn can only exist if cultivated by humans, and there is evidence to support humans figured this out over 7,000 years ago.

Read more campsilos.org

via reddit.com

ADNXo Of all the bodies in our solar system, the sun is probably the one we want to give the widest berth. It gushes radiation, and even though its surface is the coolest part of the star, it burns at about 9,940°F, hot enough to incinerate just about any material. As such, there are no plans to send a manned mission in its direction anytime soon (Mars is much more interesting, anyway), but it can't hurt to figure out at what distance a person would want to turn back. You can get surprisingly close.
Jnvm TIL the idea that carrots significantly improve eyesight was a myth created by the RAF to obfuscate the fact that they had advanced radar technology during WWII.
xVPe0 TIL there is growing body of scientific research showing that reliance on GPS erodes our ability to make our own mental maps.
0wQY5 TIL When the first steam engine was built in 1804, people were worried that the speed would make rail passengers unable to breathe or that they would be shaken unconscious by the vibrations
LQad TIL estimated 100 trillion microorganisms representing (500 different species) inhabit every normal, healthy person.