Youtuber Seals Himself in an Dangerous Air-Tight Jar Just to Prove a Point

Just His Bike

He was able to disprove the Flat Earth theory just by using his bike. Kurtis was able to make sundials with shadows from his bike that, together, depicted the curvature of the Earth. If that's not proof, we're not sure what is! It wasn't even that hard, too. This next project, however, wasn't going to be quite so easy...

The More You Know

Tree seeds were taken into orbit and planted as "Moon Trees."
The brain is the fattest organ.
The television was invented only two years after the invention of sliced bread.
Over 80 million bacteria can be exchanged in one kiss.

Post originally appeared on Upbeat News.