New work by Richard Lenski

A new paper from Richard Lenski's group has appeared in Nature http://tinyurl.com/ygtcflq and has garnered a fair amount of press attention (for example, here http://tinyurl.com/yh7nqht ). Some people asked me for my thoughts about it.

The new paper continues the grand experiment that Lenski has been publishing about lo these many years — allowing a culture of the bacterium E. coli to continuously grow and evolve under his close observation. The only really new thing reported is a...