16:30
How Will You Prove Your Humanity? | Alexandra Levit | TEDxNorthwesternU
9:53
Turning our biggest polluters into our biggest renewers | Lacey Reddix | TEDxSaltLakeCity
12:26
The epidemic of the "I Know All" expert | Mikhail (Doctor Mike) Varshavski | TEDxMonteCarlo
19:21
The Emergency Room: A Window into Us | Louis Profeta | TEDxWabashCollege
15:31