Is Your Backpack Too Heavy
Recommend
Watch this video about an innovative new backpack design on HowStuffWorks. A new, ergonomic backpack is being designed to reduce the high levels of back strain that heavy backpacks cause. Learn about... (more info)

Watch this video about an innovative new backpack design on HowStuffWorks. A new, ergonomic backpack is being designed to reduce the high levels of back strain that heavy backpacks cause. Learn about how this new backpack may be incorporated into schools, the military and more in this video from ScienCentral.

Related Article: How College Admission Works

most watched: neurological conditions videos