The sandfish lizard wriggles through desert sands like a sci-fi monster. Now, using computer simulations and bendy robots, researchers at Georgia Tech in Atlanta have taken the most complete look yet at the everyday physics of burrowing animals. And, boy, does this reptile wriggle, the team reports online February 23 in the Journal of the Royal Society Interface. “This particular behavior is built for speed,” says physicist Daniel Goldman, one of the study coauthors. Leer más.