(Update: the audio files are on the right-hand side of this page. At least the mp3 file seems to be working. It was a short-but-sweet segment.)
We’ll share the show with an update on Pluto’s status. A quick query of Google News reveals that there have been about ten times more stories about Pluto than about dark matter. This despite the fact that the Bullet Cluster data have taught us something profound about the constituents and forces of our universe, while the “planet” business has taught us about the vote of a committee on what to call stuff. Why is that?