Basic Terms and Concepts - update

The 'Basic Concepts' series has started. Here are the first two, defined and explained:

Evolution
Clade

We are thinking of a way to store all of these posts in one place for easy reference. I'll let you know when that happens.

More like this

When I started blogging, I never (EVAH!) thought I would describe the biology of E. coli with a Tolkein poem:
WHO has taken note (.pdf) of the increasing genetic diversity of the H5N1 influenza/A viral isolates as the disease spreads geographically.
This is cool, Intraspecific phylogenetic analysis of Siberian woolly mammoths using complete mitochondrial genomes:
A "radiation" (sometimes called an "adaptive r