0:39 Gently does it for crystallography Very cold weak electron beams have been used to collect large numbers of diffraction patterns from protein microcrystals.
5:57 If your blood gets too acidic you will die Carbon dioxide could be involved in processes as diverse as breathing, hearing and reproduction.
11:39 A gut feeling about arthritis The gut microbiota of patients with rheumatoid arthritis is enriched in microbes belonging to the Prevotella genus.
17:05 How the brain moves on In individuals with a missing hand, the area of the brain responsible for that hand learns to control the remaining hand or the residual limb.
23:37 Why do rodents have cone-shaped whiskers? Conical whiskers allow mammals that live in tunnels and other enclosed spaces to learn more about their surroundings.