You got a .rar file and you don't how to open it, some one asked you to send him "a rar file" or you just need a good archiving software? Download and install WinRAR.
When you hear a word virus, you are usually thinking of tiny ugly creatures messing with your body and health, but wait until you see these gorgeous glass replicas of human viruses.
Scientists have discovered vast amounts of freshwater beneath the oceans, miles away from the shore. Could this help with the global freshwater shortage?