A look at the theory of dark matter -- the undetectable mass thought to make up 96% of the universe, and dark energy -- the unseen force that is expanding the universe. Physicists use the latest cutting-edge technology and conduct groundbreaking experiments in an attempt to discover more about these mysterious forces.
Video Rating: 4 / 5
Beauty channel: www.youtube.com Website: www.amarixe.com Twitter www.twitter.com Facebook: www.facebook.com My ideas of who "A" on Pretty Little Liars could be... all will be revealed in the Season Finale in less than 2 weeks!! :) --A ;) Carly: www.youtube.com End song: "Buried Treasure" by Jay Loftus
Video Rating: 4 / 5
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