I am feeling old now.
A most excellent piece of work: Ryan Gregory is featured in this article on the ubiquity of junk DNA. Good explanations all around.
At 5pm Pacific time tonight, BlogTalkRadio will have a discussion between Alan Boyle, Seth Shostak, and Don Lincoln on Aliens! Shostak is the SETI guy, whose latest book is Confessions of an Alien Hunter: A Scientist’s Search for Extraterrestrial Intelligence. Lincoln is a physicist who has written Alien Universe: Extraterrestrial Life in Our Minds and in the Cosmos.