WASHINGTON -- Stairs are about to become less of an obstacle for some of the nation's 2 million wheelchair users. The Food and Drug Administration on Wednesday approved a wheelchair that literally can ...

Add Yahoo as a preferred source to see more of our stories on Google. At the Korea Institute of Machinery and Materials they've come up with a wheel that doesn't stay round in order to maximize ...

Imagine a wheelchair that can climb or descend stairs. That's the basic idea behind the iBOT, a motorized wheelchair that has two sets of wheels that can climb stairs and handle more varied terrain ...