When a fish becomes fluid

Zebrafish aren't just surrounded by liquid, but turn liquid—in part—during their development. As the zebrafish embryo develops from a ball of cells to a fully-formed fish, a region of the embryo switches its phase from ...

The source of stem cells points to two proteins

Mammalian embryos are unlike those of any other organism as they must grow within the mother's body. While other animal embryos grow outside the mother, their embryonic cells can get right to work accepting assignments, such ...

Gene-edited babies and cloned monkeys: China tests bioethics

A Chinese scientist's claim that he created the world's first genetically-edited babies has shone a spotlight on what critics say are lax regulatory controls and ethical standards behind a series of headline-grabbing biomedical ...

page 3 from 23