Leg exoskeleton puts spring in a user's step

Apr 2, 2015

Leg exoskeleton puts spring in a user's step

Millions of years of evolution have enabled human beings to develop a smooth, energy-efficient way of walking. But, biomechanical engineers suggested on Wednesday, there is always room for improvement. They unveiled an unpowered exoskeleton — a small, light, spring-activated device that fits on the ...

China's 'dancing grannies' irk neighbors, face new rules

Mar 27, 2015

China's 'dancing grannies' irk neighbors, face new rules

Along with two dozen of her fellow “dancing grannies,” 60-year-old Zhang Jinsu twirls and steps her way every night across a central Beijing plaza, sometimes gliding over the pavement like a butterfly, at other times marching with a plastic rifle. But when new government ...