Eating viruses can power growth, reproduction of microorganism: Researchers have discovered the first known "virovore," an organism that feeds on viruses. Probably there are many others like it -- an entire, previously unknown food chain.

Eating viruses can power growth, reproduction of microorganism: Researchers have discovered the first known "virovore," an organism that feeds on viruses. Probably there are many others like it -- an entire, previously unknown food chain.