How to Prevent School Shootings | Jillian Peterson | TEDxHamlineUniversity
15:37
School shootings can be prevented -- here's how | William Woodward | TEDxMileHigh
11:55
Most Mass Shooters Are Not Mentally Ill | Carmela Epright | TEDxGreenville
14:59
What the Columbine Shooting taught me about pain and addiction | Austin Eubanks | TEDxMileHigh
12:24
What if everyone had a classical education? | Rebekah Hagstrom | TEDxMahtomedi
15:51
Do not be afraid of organic chemistry. | Jakob Magolan | TEDxUIdaho
20:10
The Pathway to Intended Violence in Mass Shooters | Clare Allely | TEDxWarwickSalon
16:08
Obesity is a National Security Issue: Lieutenant General Mark Hertling at TEDxMidAtlantic 2012
20:31