What is dig volleyball?

A dig is a pass of a hard-driven ball from the other team. Like a pass, your arm position and platform remain the same. The difference is that the ball i...

Why are skis so wide?

Wearing traditional thinner skis, a skier will sink a long way into the powder surface, however, a skier with wide skis will ride through the surface lay...

What ended the last ice age?

New University of Melbourne research has revealed that ice ages over the last million years ended when the tilt angle of the Earth's axis was approa...