Carl Sagan debunks flat Earthers using nothing more than a piece of cardboard [Video]

A short segment of Carl Sagan’s Cosmos show that talk about how Eratosthenes (276 BC – 194 BC), a greek mathematician, geographer, poet, and astronomer, discovered that the Earth was round using simple observations. He then goes to prove that the Earth is round using a simple piece of cardboard. [carlsagandotcom]

Doctor Wears 6 Face Masks to Prove They Do Not Lower Oxygen Levels + Important Message from John Cena [Videos]

Irish doctor Maitiu O Tuathail was sick and tired of hearing people claiming that masks can lower your oxygen level, so he decided to do something about it. He hooked himself up to an oxygen monitoring machine and then wore 6 masks one on top of the others. Watch. Gets some of our amazingly geeky […]

“Finding Asteroids Before They Find Us is Critical” – Trailer for IMAX’s Asteroid Hunters

Venture into deep space for a fascinating look at asteroids, their cosmic origins and the potential threat they pose to our world. Written and produced by Phil Groves, produced by Jini Durr and directed by W.D. Hogan, Asteroid Hunters introduces asteroid scientists – the best line of defense between Earth and an asteroid’s destructive path […]