electromagnetic radiation from mobile towers and cell phones having the potential to kill worker bees that go out to collect nectar from flowers, says a study. A plunge in beehive population has been reported from different parts of Kerala and if measures are not taken to check mushrooming of mobile powers, bees could be wiped out from Kerala within a decade, environmentalist and Reader in Zoology, Dr Sainudeen Pattazhy says in his study. In one of his experiments he found that when a mobile phone was kept near a beehive it resulted in collapse of the colony in five to 10 days, with the worker bees failing to return home, leaving the hives with just queens, eggs and hive-bound immature bees.Mobile towers threatening honey bees in Kerala