National Geographic February 2021 Mysteries of the Virus
How viruses shape our world COVID-19 is a reminder of their destructive power, but they’re crucial to humans’ development and survival. Provides the latest information on a wide range of mysteries of the virus, The essential annual for the 21st century, this high-energy almanac is packed with facts, photos, infographics, timelines.
A guide to the world like no other, this vivid and comprehensive book offers the best of National Geographic. Although feared as agents of disease, viruses also work wonders, shaping evolution from the very beginning. About 8 percent of our DNA comes from viruses that infected our long-ago ancestors and patched viral genes into their genomes. Some of these genes now play crucial roles in the early stages of the developing embryo and the placenta that surrounds this 13-week-old fetus.