Sean Carroll: Distant Time and the Hint of a Multiverse
At TEDxCaltech, cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.
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Drew Dudley: Leading with Lollipops
This video discusses how we can have a powerful, even life changing impact on others without ever knowing it.
Ramona Pierson: An Unexpected Place of Healing
When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. At TEDxDU she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home.
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.
How To Restore Your Faith In Humanity
Lost faith in humanity? These 10 moments may help you restore your faith in our species.
Cameron Russell: Looks Aren't Everything. Believe Me, I'm a Model.
In this fearless talk, Model Cameron Russell takes a wry look at the industry that had her looking highly seductive at barely 16-years-old.