Interested in the idea of donating your unused computer time to a good cause, but feel the odds against SETI@home may mean your cycles are being wasted? Here's a project with slightly better (though still astronomical) odds: PlanetQuest. If you are interested in amateur astronomy, check out PlanetQuest and a similar project, Systemic, to start finding planets with your home computer.
Via tobiasbuckell, watch the look on the lion's face as a young lion is reunited with the men who raised him and had released him into the wild one year previously. Really all of them look pretty giddy.