Sarah Knapton A new type of immune cell which kills most cancers has been discovered by accident by British scientists, in a finding which could herald a major breakthrough in treatment. Researchers at Cardiff University were analysing blood from a bank in Wales, looking for immune cells that could fight bacteria, when they found an entirely new type of T-cell. That new immune cell...

by Kristen Cudd Dogs love to lick. They lick themselves, each other, and of course, they lick their humans. It’s a fact that all dog lovers observe. Have you ever stopped to wonder why, though? If you just ate a salty snack, it’s pretty obvious. Your fingers are tasty! But what about all the other places your dog loves to lick? We scoured the...