BASE INVADERS

摘要

What with the threat of bird flu, the reality of HIV, and the general unseemliness of having one's cells pressed into labour on behalf of something alien and microscopic, it is small wonder that people don't much like viruses. But it's possible that we may actually have something to thank the little parasites for. They may have been the first creatures to find a use for DNA, a discovery that set life on the road to its current rich complexity.