Dark Matter is weird stuff -- "non-baryonic matter," as Scientific American editor George Musser puts it in this minute and a half take on the nature of the mystery substance that makes up the majority of the mass in our universe. This is episode 1 of our new video podcast, which you can subscribe to via iTunes, or via RSS, or check out at our new site, 60 Second Science.
What is Dark Matter? (Video)
Scientific American launches a new regular video feature