AJ Jacobs: How Healthy Living Nearly Killed Me
For a full year, AJ Jacobs followed every piece of health advice he could -- from applying sunscreen by the shotglass to wearing a bicycle helmet while shopping. Onstage at TEDMED, he shares the surprising things he learned.
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Stewart Brand: The dawn of de-extinction. Are you ready?
This video is Stewart Brand's Ted lecture on the scientific challenges and moral issues surrounding the resurrection of extinct species.
Defying Gravity
What happens in our brain when we view an optical illusion? The information gathered by the eye is processed in the brain to create an idea or image that does not match with a physical measurement of the stimulus source.
Dealing with Ups and Downs: Another Way to Look at It!
In this video Christine Eilvig, founder of The Spiritual Salon, discusses way to build a life you will love.
Bryan Stevenson: We Need to Talk About an Injustice
In an engaging and personal talk -- with cameo appearances from his grandmother and Rosa Parks -- human rights lawyer Bryan Stevenson shares some hard truths about America's justice system, starting with a massive imbalance along racial lines: a third of the country's black male population has been incarcerated at some point in their lives.
Lucianne Walkowicz: Look Up For a Change
Lucianne Walkowicz explains the importance of preserving our dark night sky from the perils of light pollution and other lesser-known factors.