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 ...

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, ...