Scientists discovered a population of cells that can start the process of programmed cell death, survive it, and then help rapidly rebuild damaged tissue. Their descendants become far more resistant ...

Lab-grown organoids wire into mice missing a key part of their brain, offering a new way to test drugs for developmental conditions. Human brain tissue transplanted into mice that lack a key part of ...

Calcium is a near-universal signal cells use to communicate with each other. It's involved in all manner of biological processes. It helps muscles to contract and synapses to fire; it's crucial at the ...