A lightweight prosthetic hand that can move almost as freely as a human hand can help wearers carry out intricate tasks, such as tying knots, combing hair and playing chess. To replicate the dexterity ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." In the name of self-care, we slather our faces with wrinkle-reducing serums and face creams, treat them ...

With man-made hand sanitizer in short supply, many people are turning to what's been called "nature's hand sanitizer," or ultraviolet light. UV light is the latest popular tool in the ongoing race to ...