Browser does not support script.
How animals behave in groups; Bee colonies and the effects of pesticides and diseases; How humans behave in groups on online social networks such as Twitter.
Dr Bryden's media highlights include being interviewed on BBC Radio Surrey about the decline of bees.
To arrange an interview with this expert or speak to them about their expertise, please contact: The Press Office on 01784 443552
Bee colonies can keep growing when bees aren't too stressed, but if stress levels get too high the colony will eventually fail.
Did you find the information you were looking for? Is there a broken link or content that needs updating? Let us know so we can improve the page.
Note: If you need further information or have a question that cannot be satisfied by this page, please call our switchboard on +44 (0)1784 434455.
This window will close when you submit your comment.