Scientists have pulled a 6-millionyear-old chunk of ice ...

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

The glaciers of the Alps are receding, retreating, even collapsing. Why is it happening? What is the impact on those who love the mountains? And can it be stopped?

Whether winter-faded ferns, the spindly harvestman or the tyrannical stare of an irate chicken, through-lines from the prehistoric to our modern age are all around us in November, says John Lewis-Stempel

Amazing answers to your curious questions

What the scientists are saying…