Links for Tuesday, July 17, 2007

• Science Blogs: The Questionable Authority: Let’s Talk Junk (Again) – “There are some stretches of DNA that do something important, but we don’t know what. Scientists are working on figuring it out, but right now all we know is that they’re important. We know this because we understand how evolution works, how natural selection works, and can – do – use that understanding to investigate DNA.“
• Terra Daily: Neutral_Evolution Has Helped Shape Our Genome – “Their calculations revealed that most numts became embedded in our genome over a 10-million-year period centered roughly 54 million years ago – right around the time when the first primates emerged.“