Virology
Meet the 380 trillion viruses inside your body
Scientists aren't exactly sure yet what the "virome" is up to, but it's probably important.
New evidence suggests viruses may trigger Alzheimer’s
For the first time in a long time, there's a new direction for potential Alzheimer's treatments.
We found the oldest human virus: It's familiar (but weird)
The discovery cracks open a 7,000-year history of human-virus warfare. And it's raising weird questions.