Download the Universe, a new science ebook review, is now entering its third week of life. We've been publishing a string of new reviews since I last blogged about it. If you haven't had a chance to check it out, now is a great time to do so. Here are the latest: Worlds Without End: Sean Carroll on Journey to the ExoplanetsOne man and his superorganism: Ed Yong on Before the SwarmDoomsday Deflected Tom Levenson on Planet KillersSMILE: The Astonishing Destructive Power of Positive Thinking David Dobbs disembowels SMILE; The Astonishing Power of a Simple Act. Much more to come!