Growing cells in the laboratory is an art that humans have mastered decades ago. Recreating entire three-dimensional tissues is much more challenging.

A new tool, called Morpheus8, uses tiny needles and radio frequencies to stimulate collagen and remodel tissue, allowing dermatologists more control over the shape of skin. The tool has become a ...

The new procedure—which neither uses a virus as a vector nor reprograms the skin cells first into pluripotent ... "This idea in theory can be applied to other tissue replacement organs because ...