TOKYO (Reuters) - Millions of years after the ancestors of humans evolved to lose their tails, a research team at Japan’s Keio University have built a robotic one they say could help unsteady elderly ...

"Nature essentially developed two types of vertebrate tails. The heavy, muscled tails of lizards are able to reorient the body in one plane of rotation, and have inspired many rigid-tailed robots," ...

While exploring how best to design robots that use tails to reorient their bodies in midair, a team of researchers at the University of Michigan and University of California San Diego found that ...