Keeping Your Eyes Healthy with Fish - Naked Scientists NewsFLASH - 14.02.11

In this NewsFlash, the fossil evidence that the famous human ancestor Lucy - Australopithecus afarensis - had arched feet, a new method for seeing inside the body and how smartphones are being used to remotely track cardiac rehabilitation. Plus, how omega-3 fatty acids, found in oily fish, help to stave off some of the most common forms of blindness.