Some of us are part-Neanderthal and it affects how medicines work on you
The gene variants are carried by 20% of present-day Europeans
Does pee really help jellyfish stings?
We asked a medical toxicologist and her answer surprised us
Tiny shapeshifting robots brush and floss your teeth, kill bacteria
Brushing and flossing every day can be annoying, and even people who stick to the routine can miss areas and wind up with trouble...