Snakes certainly make it look easy when they slither forward, leaving perfect S-curve tracks behind them, but scientists have long been puzzled by the mechanics of their locomotion. Now, after a series of experiments and some computer...

Slithering snakes teach scientists about movement and design. Snakes and math - much of the population is afraid of one, or both. But David Hu, mathematician and mechanical engineer, combines those two sometimes scary things to...