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 ...

The action is part of PETA’s ongoing campaign calling on the university to stop tormenting mice in cruel and useless sepsis ...

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 ...

Food poisoning isn’t an experience you’re likely to forget — and now, scientists know why. A study published April 2 in Nature has unraveled neural circuitry in mice that makes food poisoning so ...

In a lab far from the woolly mammoth’s icy plains, researchers from Colossal Biosciences have successfully brought a tiny “woolly mouse” to life. Here’s what it could mean for de-extinction. A tiny, ...

Capitalizing on the flexibility of tiny cells inside the body's smallest blood vessels may be a powerful spinal cord repair strategy, new research suggests. In mouse experiments, scientists introduced ...