If you want to make a clean install of the new OS X Mavericks or even the older versions of Mac OS X, than I strongly suggest you to create a bootable OS X key or a drive.
CERN is an international organization whose purpose is to operate the world's largest particle physics laboratory. Go through the short quiz and build up your Dreevoo knowledge score.
It was a good week for wildlife and nature, Persian leopard was held for extinct and Siberian snow leopard has been photographed for the very first time.
