Moving beyond embryonic stem cells: Encouragement on the horizon

For nearly two decades, the medical world and the American public have grappled with the lightning-rod topic of stem cells, in particular the controversy surrounding cells from human embryos. But when researchers four years ...

Scientist behind gene-edited babies eyes work in Hong Kong

A Chinese scientist who set off an ethical debate five years ago with claims that he made the world's first genetically edited babies said Tuesday that he hopes to research rare hereditary diseases in Hong Kong.