NSF Science Now Episode 54

In this week's episode, we discover why some bumble bees are in peril; that some of the earliest primates were adept leapers; we explore a new technique that can print drugs and finally, we learn about a new app capable of detecting concussions right on the sideline. Check it out!This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video