Sailing stones, also called sliding or moving rocks is a geological phenomenon where rocks tend to move and leave long tracks into a valley surfaces like deserts without human or animal intervention.
Our planet is one of the kind in the solar system, too bad we sometimes tend to forget how unique it really is. Find out if you know some interesting and basic facts about the planet Earth.
As the Google Reader will cease to exist in a couple of months time, you can start sniffing for the alternative RSS feed reader. Allow me to try and make it really simple for you.
