Parasites often cause trouble for the host, but the tapeworm Anomotaenia brevis infesting ants keeps the host young and healthy.
The researchers first discovered the Toxoplasma gondii parasite, which is capable of controlling mouse behavior, on the island of Oahu in Hawaii.
Scientists at the University of Connecticut, USA, learned in detail how the fungus Massospora cicadina infects many cicadas.
The answer to the control mechanism and the way of entry of this parasitic bee has not been clarified.
Some bacteria can adjust the proportion of females and males in some insects.
Canadian researchers have recently discovered a group of tapeworms - flatworms that can reach more than 30 fut parasites in the digestive system of humans, fish and other animals.
A fungus called microsporidia that causes chronic diarrhea in AIDS patients has recently been listed as a member of the mushroom family.
According to experts, 98% of today's hair lice are immune to most current treatments.
The dentist examined a swollen baby girl, horrified to find up to 15 living maggots in her mouth.