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.
If you want to have a go at the latest Windows 8 Release Preview, you can install it in your existing Windows 7 installation using VMware Player free virtualization software.
Awesome video of a father and son who send a weather balloon with son's favorite toy to the very edge of space. And if you are the first to answer the question correctly you will get a reward.
When two top of the line predators meet one would think the fight would last longer. But not this time, incredible footage by National Geographic showing Jaguar taking down the caiman.
All the Nobel Prize winners for 2013 have been announced. This is a short recap featuring individuals or groups who earned this annual and prestige recognition by the Nobel Prize committee.
Rover Curiosity is a really popular topic all around the world and I was just given a question what would been happen if an astronaut would take off the space helmet while being exposed on Mars?
I probably don't need to tell you that there's no such thing as a justified or reasonable cause for starting a war, ever. Watch this video and I think you will know what I mean.
What is sea level, is it better to walk or run in the rain, why is it dark at night, what is dark matter and many more questions explained in short videos in a real fun and intuitive way.