Horizon
What's Killing Our Bees? A Horizon Special
E78 Aug 2, 2013 60m TV-PG
Changes in the weather, pesticides, and even a virus have all all been blamed for the ongoing mass deaths of bees Bill Turnbull meets the scientists who are fitting minute radar transponders on to bees to try to find answers.
Where to Watch What's Killing Our Bees? A Horizon Special