bee population around the wold have been declining.
Scientists have searched for a long time for a reason why so many bees are disappearing.
This new research may be an important clue.
However, the British government dose not want to stop the use of the pesticides that may prevent bees from learning.
It wants to carry out more tests to make sure pesticides are the real reason for the reduction in the number of bees.
A spokeswoman from the Friends of The Earth charity said the government must act sooner rather than later.
Bee health is far too urgent to wait until more research has been
completed.
[Controls] should be placed on these pesticides until bee safety can be [guaranteed],"she said.
Reason