Modern humans are still carrying Neanderthal viruses

Neanderthals and Denisovans may be long gone, but their viruses continue to live on inside our bodies. The geneticists who discovered these ancient viruses aren't sure if they're bad for us, but they could make us more susceptible to certain cancers. » 11/19/13 3:40pm 11/19/13 3:40pm

Genes from ebola-like virus found in the human genome

The human genome contains fragments of viruses that our species tangled with in our distant evolutionary past. Now new scientific research has isolated some of the viruses that still haunt our genomes, even after millions of years of evolution. In today's Scientific American, Katherine Harmon has a great roundup of new … » 7/30/10 3:00pm 7/30/10 3:00pm