Bats' energetic take-off trick revealed by X-ray videos

Scientists in the US have used X-rays to produce remarkable videos of bats in flight that reveal the movement of their skeletons. Analysing this footage has revealed how the bats store and recycle energy in their tendons. via Pocket http://www.bbc.co.uk/news/science-environment-23187407#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa