Simone Biles stunned audiences at the 2016 Olympics with a move that appeared to defy gravity. Did it really? Two sports scientists explain the physics of the Biles.

Why does a long pole help balance?

In this article, we look at the physics behind the curved flight path of a returning boomerang, and explain that boomerangs are really a kind of gyroscope. We even show you how to bang up a boomerang yourself!