A weekly programme that illuminates the mysteries and challenges the controversies behind the science that's changing our world.
http://www.bbc.co.uk/programmes/b036f7w2
Bees and multiple pesticide exposure
Victoria Gill looks at the latest stories from the world of science. In this week's episode: the threat to bees from multiple pesticide exposure, how bee colonies can evolve defences against the varroa parasite, more problems for the Starliner space capsule, and what may be the oldest fossil animals yet found.