It's a parasite — but in a good way - LiveScience- msnbc.com
Updated April. 27, 2007
Parasites are by definition bad for you. Some, such as malaria, can kill. Others, like microbes known as Wolbachia that are found in more than one-fifth of all insects, often make ...http://www.msnbc.msn.com/id/18353819/











