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05:24 Earth’s Deserts Are Growing And There’s Nothing We Can Do Science · November 21, 2015 77 500 627
04:53 EPA Conspiracy Theories | Stuff They Don’t Want You to Know Science · November 20, 2015 84 600 716
10:11 Imports, Exports, and Exchange Rates: Crash Course Economics #15 Science · November 20, 2015 651 675 870
09:45 Hovering a Helicopter is Hilariously Hard – Smarter Every Day 145 Science · November 20, 2015 2 710 825 11K
05:12 What’s the difference between a scientific law and theory? – Matt Anticole Science · November 19, 2015 636 175 4K
02:48 Epigenetics: Why Inheritance Is Weirder Than We Thought Science · November 18, 2015 1 068 450 14K