UNIVERSITY PARK, Pa., April 24 -- Pennsylvania State University issued the following news release:

UNIVERSITY PARK, Pa. - Whether they're dancing on two legs or scrambling over rough terrain on four, robots are gaining traction on social media and in everyday life. They're already rapidly evolving in terms of capabilities and size, but according to Penn State Assistant Professor of Mechanical Engineering Baxi Chong, they may be on the brink of something even better. Chong is one of several Penn State researchers capitalizing on unique biological features found in the living ecosystem to develop and expand the field of biorobotics.

One of the most obvious features to take advantage of, Chong said, is size.

"The size of the robot matters,"...