Ms. Rachel has a cute little jingle — "If you see a crocodile, don't forget to scream" — that has babies showing off ... Painting & Parents Can't Stop Laughing We want to raise kids who ...

Dr Caspar Addyman from Goldsmiths, University of London is an expert on why babies laugh and author of The Laughing Baby. At Goldsmiths' InfantLab, he leads an exciting branch of child development ...