Why do cats stick their tongues out?

Moles are strange. they have evolved to become so highly specialised and attuned to a particular way of life that they are, for the most part, out of sight. Underground, they live in a fossorial world

Stereotypical behaviours, also known as stable vices, often carry great stigma, but owners should be more worried about the underlying cause, finds Mel Beale

It’s rush hour on the Jubilee Line and I’m packed like a sardine in a carriage full of fellow weary commuters. I’m desperately trying to avoid awkward eye contact and not step on anyone’s toes, all wh

How our ancient brains evolved the perfect way to keep us safe by controlling the chemicals in our minds to moderate our behaviour

What does your wee say about your health? Well, plenty – but perhaps not in quite the way medieval physicians understood it. Before the in-depth study of anatomy and physiology, establishing the cause

Explained: The biology of being afraid & why this primal emotion is key to your survival