Can a helmet sensor help prevent brain trauma in athletes?

Aired: 3/17/2015 | 0:07:00 | Clip
As we learn more about the effects of concussions and sports-related head trauma, parents, coaches and medical professionals are debating how to keep players safe. Some are looking to technology, like a device worn under the helmet that shows the force of impact after a fall or collision. Hari Sreenivasan reports as part of our Breakthroughs series.