This just in from ASBMB Today, the official magazine of the American Society for Biochemistry and Molecular Biology.
A recent paper in Science examined a modified-duplicate gene in a species of fruit fly and concluded that it developed a vital role in the organism in the past 15 million years.
Readers of my posts know that I’m a big fan of Professor Richard Lenski, a microbiologist at Michigan State University and member of the National Academy of Sciences.
A paper appeared recently in Science that reminded me of one of my favorite toys when I was a kid — a rolling-ball maze.
Darwinian evolution is a tinkerer. It can fiddle a bit with pre-existing IC systems, but is incompetent to build new ones.