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88%AnimationSep 2012

How to think about gravity

(4:44) Did you know that when you fall down, the Earth falls up to meet you?


88%VideoMar 2013

Bill Nye and the origin of everything

(4:47) Short conversation with Bill Nye the Science Guy, beginning at the beginning.


88%VideoFeb 2014

The illusion of time

(9:44) Einstein's theories have been tested over and over, and they still hang together, showing bizarrely that the past, present and future all exist together.


88%VideoMar 2014

Seth MacFarlane explains the history of the universe

(7:13) Seth MacFarlane, production executive on the new Cosmos, tells Bill Maher how the universe started.

88%AnimationJul 2014

Does the Theory of Evolution really matter?

(9:53) Three examples of some of the many practical uses of the science of evolution.

88%AnimationMar 2015

What is the evidence for evolution?

(11:21) Evolution says that all living things on Earth are related. Forget apes, that means you, and I, are related to the banana. Is there any solid evidence to back this amazing claim?


88%VideoSep 2015

Theory vs Hypothesis vs Law, think you know the difference?

(7:11) Some who attack evolution by natural selection claiming "it's just a theory". But "theory" in science means something different.


88%VideoSep 2015

Richard Dawkins explains some gay gene theories

(6:24) How was the gay gene preserved? Richard Dawkins explains three theories, including the 'Sneaky Fucker' theory.


88%VideoOct 2016

Edward Witten brilliantly explains String Theory

(17:14) American theoretical physicist Edward Witten is regarded with awe by his fellow physicists, some of whom have compared him to Einstein and Newton.


88%VideoFeb 2008

The phenomenon of the singing sand

Booming dunes that resonates in song