Insect ecology

A tiny development is having a major impact on national agriculture. Pollinating honeybees which are relied upon for spreading many kinds of seeds are being destroyed by two different species of mite. Matt Binder reports on how scientists and farmers are working to stay ahead of this stinging new problem.

In the future, picking up the components for a holiday feast may not be so easy. Gary Nabhan comments.

With mysterious diseases threatening bees and bats, scientists look to butterflies to assess environmental health.