Scientists Just Repeated a Nobel Prize-Winning Experiment in a Creature Older Than Jellyfish (opens in new tab)

A century after one of developmental biology’s most influential experiments, researchers have revisited the concept of the embryonic “organizer” in one of the oldest animal lineages alive today. A tiny cluster of cells in an embryo can act like a construction manager for an entire body. It helps determine which end becomes the head, which [...]