WHILE my husband thinks I’m more than a little odd wanting to go and see a heart dissection this Valentine’s Day as part of the NI Science Festival, I think he underestimates how much we ...

The goal is to relax the orbicularis oris muscle, which helps form and shape the lips. The injection encourages the top lip to relax and “flip” outwards, giving the subtle illusion of a fuller ...

You are here: BBC Science > Human Body & Mind > The Body > Muscles Find out which muscles control your facial expressions.