Thanks for the mammaries & spotting pseudoscience

Milk glorious milk... all mammals share one common trait, they all start their lives on a liquid diet, made possible by the wonder of the mammary gland. Claire has a look into the diversity of this gland that unites more than 6000 species of animal including humans. And Stu has a look at the scientific method and offers some questions to ask about claims that might sound sciencey, but really are not.