by Elio The southern end of the volcanic Kol- beinsey Ridge with its isolated seamounts perched on the Mid-Atlantic ridge north of Iceland. Source. We don't know about you, but we've become pretty blase about the stream of papers, each with the customary two dozen or more authors, reporting the comp...

by Elio The cedar aphid and a TEM of a cell containing two endo- symbiotic bacteria. Courtesy of A. Latorre and J. M. Gosalbes. Let me rephrase that. How many genomes does it take for an aphid to make tryptophan? If you thought it was one, you'd be wrong: the answer is two, neither being the aphidâ€...