A Moment Of Science revisits the science of hands and feet that wrinkle when wet.
If you've ever driven on a highway during a heavy rain, you know about the danger of skidding. Learn how tire tread works on this Moment of Science.
Readers of detective fiction knows one thing fingerprints are good for, their unique patterns. Why have we evolved such convoluted fingertips and why so useful?
To say that robots don't have feelings is literal, as well as figurative.