A research team at the University of Colorado has discovered evidence for an ancient lake on Mars. Pictured is how the landscape might have looked around 3.4 billion years ago. More here.
Image credit: G. Di Achille, University of Colorado
Filling in for George, Jimmy Church (email) welcomes Gregg Housh, who'll discuss his key role in Anonymous's global protest campaign, the world of hackers and hacktivism, and the dark, deep web from the man who has been at the center of it all. Followed by Open Lines in the latter half.