Ants release chemicals that repel mites, fleas and lice. Some birds will actually rub their feathers against ants in an attempt to remove these pests.
The worms that turned into mega-breeders
The worms that turned into mega-breeders Marine biologists have found a way to get
ragworms, which are used as fishing bait, to breed at any time of
year. Ragworms usually only breed once and then die. This can
create a problem if worms are ready to breed at different times.
Developing the ability to breed the worms at any time means that
the worms can now be farmed. This will protect the ecosystem of
beaches, which is often damaged during the hunt for wild
ragworms. 6 NOVEMBER 1999, P. 20
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