Bees are in dramatic decline, and scientists believe the answer may be in their homing instinct.
They have found the latest generation of pesticides is stopping the foragers finding their way back to the hive.
French researchers tagged 650 honeybees with tiny microchips attached to their necks which tracked all their movements.
Half the bees were exposed to low doses of insecticide similar to what they would find in the wild, and when released, these ones were found to be two or three times more likely to die away from their hive. Read More