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Calling all teachers! Do you want to attend a TED Conference?
Teachers: Have you ever wanted to attend a TED Conference? TED-Ed has a limited number of discounted TEDActive 2015 tickets available just for you! Apply now for an opportunity to brainstorm and work with other teachers, attend a professional development session, and more.
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How does cancer spread through the body? - Ivan Seah Yu Jun
Animation by Andrew Foerster
Cancer usually begins with one tumor in a specific area of the body. But if the tumor is not removed, cancer has the ability to spread to nearby organs as well as places far away from the origin, like the brain. How does cancer move to these new areas and why are some organs more likely to get infected than others? Ivan Seah Yu Jun explains the three common routes of metastasis.
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The mighty mathematics of the lever - Andy Peterson and Zack Patterson
Animation by The Moving Company Animation Studio
Archimedes once said “Give me a place to stand, and I shall move the Earth.” While the idea of a person moving such a huge mass on their own might sound impossible, chances are you’ve seen this idea in action at your local playground. Andy Peterson and Zack Patterson use the seesaw to illustrate the amazing implications and uses of the lever.
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The great brain debate - Ted Altschuler
Animation by Steve Belfer Creative Inc.
Throughout history, scientists have proposed conflicting ideas on how the brain carries out functions like perception, memory, and movement. Is each of these tasks carried out by a specific area of the brain? Or do multiple areas work together to accomplish them? Ted Altschuler investigates both sides of the debate.
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