USD Researcher Uses Gelatin Brains To Demonstrate Helmet Safety yankton.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yankton.net Daily Mail and Mail on Sunday newspapers.
VERMILLION — We often fail to understand the importance of wearing helmets while riding bikes, skateboards or rollerblades, or engaging in any other activity where a fall could lead to