Pruney fingertips aren't swollen sponges — the wrinkles actually come from blood vessels constricting and pulling skin inward.

The perceived speed of a surface moving across the skin depends on texture, with some textures fooling us into thinking that an object is moving faster than it is, according to a study published ...

but the rubber lacks the texture of human skin, he says. To make more realistic-looking skin, Takeuchi and his colleagues bathed a plastic robot finger in a soup of collagen and human skin cells ...

The perceived speed of a surface moving across the skin depends on texture, with some textures fooling us into thinking that an object is moving faster than it is, according to a new study.