Your Body, Explained EP62

1) Why body language is the key to self-expression — and hot selfies | David Suh 2) Do you really need to take 10,000 steps a day? | Shannon Odell 3) Yes, tiny mites live on your face — but is that a bad thing? | M. Alejandra Perotti 4) Can you "see" images in your mind? Some people can't | Adam Zeman 5) My Big Idea (Ep. 3): The monthly miracle packed with scientific potential | Karli Büchling 6) How do drugs make you hallucinate? | Anees Bahji