Physicist Daniel Goldman and his fellow researchers at the Georgia Institute of Technology shed light on a relatively unexplored subject—how organisms such as sea turtles and lizards move on (or within) sand.
If you've ever struggled to walk with even a modicum of grace on a soft, sandy beach, you may appreciate the question. The answers that Goldman's CRAB lab (Complex Rheology and Biomechanics Laboratory) uncovers—with the help of living animals and biologically inspired robots—deepen our understanding not only of animal survival, evolution and ecology, but also, potentially, the evolution of complex life forms on Earth.
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