
Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we’re pretty fond of as well. This video... Read more »

View full lesson: http://ed.ted.com/lessons/what-is-entropy-jeff-phillips There’s a concept that’s crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads... Read more »

Atoms are a lot like us – we call their relationships “bonds,” and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all... Read more »

33 Amazing Science Experiments! Compilation | | Best of the Year #Experiements #Science_Experiments #Compilation #Best_of_the_Year 0:00 Instantly freeze water trick with HOT-ICE 0:13 Instantly freeze water trick Freeze Strawberry 0:28 Ferrofluid and... Read more »

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we’re doing. Also, if you can afford to pay a little every month,... Read more »