Scientists reverse Alzheimer's memory loss in mice by using NAD+ to restore brain energy, defying decades of research.

Anxiety is often described as a whole‑brain problem, but a series of mouse experiments suggests that, in some cases, a single misfiring circuit can tip the balance between calm and fear. By nudging ...

Researchers found that very small numbers of gut bacteria can translocate to the brain in mice, particularly when gut barrier ...

In African striped mice, the activity of one gene can dramatically change a male's parenting style, according to a new study ...

A communication pathway between the brain and the gut may be integral to how well the brain holds on to memories ...

The transplant of older poop actually seemed to boost the health of their ovaries. Consistently, young mice that received ...

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 ...

A confocal microscopy image of doublecortin-stained newborn neurons (pink) and nuclear stain DAPI (green), which shows that neurogenesis is occurring in the brain of a normal mouse. Scientists at ...

Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there ...