I bet at some point you were wondering how much gold is there in the world. I know I have. See these mind-blowing 3D visualizations of gold compared to everyday objects to get a better perception.
This is how you add your favorite websites shortcut to your iPad or iPhone running iOS 7. It's a really useful feature if you are accessing some webpages frequently.
Sochi is a city in Krasnodar Krai, Russia. This winter Sochi will be in the center of the action, becouse it will host the biggest winter event on the world, Winter Olympic Games.