BOINC is an open-source software platform for computing using volunteered resources, Use the idle time on your computer (Windows, Mac, or Linux) to cure diseases, study global warming, discover pulsars, and do many other types of scientific research.
yum install boinc-client boinc-manager
Start service with:
service boinc-client start
Set to auto load on startup with:
chkconfig boinc-client on
Use the Boinc-Manger GUI to setup your account and add the projects you like.. and you actually do something GOOD!!!