If you have felt strangely empty, desperate to feel like you're doing something with your life, why not make your computer do something and then take all the credit?
All this could be yours with the latest donate-screensaver-time-to-large-scale-computing project, LHC@Home 2.0. CERN- the guys with the Large Hadron Collider, the thing some people worried might create a black hole and kill us all- needs some help in looking for the so-called Higgs boson, aka the "God particle", a particle that gives mass to all other particles. They're looking to simulate particle collisions.
If you'd like to help out, head here. Or rather, bookmark it and come back in a bit. They got a tad overwhelmed with volunteers and are trying to make room for more. If you can't wait around that long, here are other projects. Or continue to feel strangely empty. Your call.