When laboratory mice step out of their plastic cages and into real soil, their behavior changes so dramatically that it forces a rethink of what stress, health and even “normal” really mean. The story ...

Scientists have advanced human-animal chimera research by successfully growing human cells within the organs of mice. This development could bring experts closer to the goal of custom-growing human ...

Scientists have identified a protein that switches brain aging on and off in mice. The findings were published in Nature Aging and may pave the way for new treatments for cognitive decline. Knowing ...

Add Yahoo as a preferred source to see more of our stories on Google. Digital illustration of a neuron Our brains age along with the rest of our bodies, and as they do, they produce fewer new brain ...

Understanding how a healthy brain works can provide insight into how it fails, too. Scientists hope that studying organoids derived from humans with neurodevelopmental disorders — particularly ...