Much of what we don’t understand about being human is simply in our heads. The brain is a befuddling organ, as are the very questions of life and death, consciousness, sleep, and much more

Our bodies are vessels for life, but in death they undergo a cascade of chemical and biological changes

A dive into what really happens while you’re asleep

The various forms of dementia now affect 50 million people around the world. There are 10 million new sufferers every year – and still no cure

What happens to your body when it’s put under pressure?

Are men from Mars and women from Venus? No, it’s much stranger than that…