What are viruses?
- XBio
- Oct 23, 2019
- 1 min read
Updated: Jan 3, 2020
Learn what viruses are, how they make more of themselves, and how they can actually be helpful.

This video is part of the Bio-Dictionary for "The Explorer's Guide to Biology" (XBio for short), which is a bold re-imagining of the biology textbook for the 21st century. Visit explorebiology.org for free content that focuses on stories of scientific discovery.