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

Greta Thunberg

This Swedish 16-year-old is on the same path as Kurtis. Many people know her from her heartbreaking speech about climate change and her efforts to help save the world. Don't let her young face fool you, she knows what she's doing!

The More You Know

Surfaces near the equator move much faster than those in other locations on Earth.
It costs the U.S. Mint almost twice as much to mint each penny and nickel as the coins are actually worth. Taxpayers lost over $100 million in 2013 just through the coins being made.
You spend about 10% of the time you're awake blinking.
Sharks "smell in stereo."

Post originally appeared on Upbeat News.