Allergies Could Have Evolved to Protect Us

Summer's virtually here, which means soon many of us will be incapacitated through sneezes, coughs, and itchy eyes. While allergies are a pain in the ass, they may not be the misguided immune responses many scientists have believed them to be. In fact, a new theory is emerging which suggests that they may have evolved » 6/20/12 9:20am 6/20/12 9:20am

Cough Captured on Film Using Supersonic Photography Technique

Using a technique more commonly used to image the supersonic shock cones forming around test aircraft in wind tunnels, a group of scientists say they've captured the dynamics of a cough on film for the first time. And yes...it looks absolutely as disgusting as you may imagine.Schlieren photography involves shining… » 10/28/08 11:15am 10/28/08 11:15am