How dead plants and animals decay, and how living organisms rely on this natural process to survive

Your dog relies on you to notice when something feels wrong, and the mouth is one of the easiest places to spot early signs of illness. Dental and gum disease can develop quietly, long before your dog

In 1874, the Scottish-American industrialist Andrew Carnegie completed the mile-long Eads Bridge, made of steel and crossing the River Mississippi into St. Louis. At the time, nobody believed that ste

WHAT’S WRONG WITH MY FINGERNAILS? Q I was very ill a couple of months ago with pneumonia and was in hospital for 10 days, two of which were spent on intensive care. I’m lucky to have made a full recov

Could your brain live forever inside a machine?

Seeking answers to your science questions? Ask our resident expert, Peter Gallivan