Cells: the basic units of life

Although it’s by no means certain, scientists are slowly accumulating evidence that life once existed on the Red Planet

Amazing answers to your curious questions

We humans are always wondering whether we’re alone in the Universe. But what if we are one of a long line of species that were around long before our planet even existed? This intriguing idea, that li

Within just a few weeks, I had nearly been wee’d on by a naked mole-rat, waited for five hours for a few horses to poo and smelt the sulphurous pong of some seafloor sludge collected from the depths o

The SAS (Special Air Service) make routine use of sleep-deprivation exercises in their selection process, and these often feature in later training. Hallucinations during such exercises are very commo

Projecting our consciousness into other bodies and walking on alien worlds might not be such a far-flung concept