LifeFossil shows a shark eating a proto-squid as it ate a crustacean The preserved remains of an ancient squid-like animal suggest it was eating the moulted skin of a crustacean when it was itself partially eaten by a larger animal like a shark 51¶¯Âþ
The truth about exerciseShould we all be hitting the gym three times a week, doing yoga, HIIT training or simply getting in our 10,000 step per day? How much does physical activity affect your bodyweight and is this affected by your genes? Does carrying too much weight make you less active? Should we worry about sitting too much? And if you are strong and fit can you get away with being inactive? With new exercise fads cropping up, seemingly, by the day, how are we supposed to know what to do to stay healthy?In this talk, Jason Gill reveals what science can really tell us about how much we need to move to maximise our chances of a healthy life.