How North America Got its Shape [Science Video]

North America didn’t always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth. Peter J. Haproff explains how it took millions of years and some incredible plate tectonics […]

Drake Equation: What is the Likelihood of Life Emerging in the Universe?

A fantastic animation that explains the famous drake equation with the help of the voice of COSMOS editor Wilson da Silva. The Drake equation is a probabilistic argument used to arrive at an estimate of the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. [Andrzej Dudnik]