How to make a spinning top
What makes a spinning top keep on spinning without falling over? Hint - it's the same type of force that keeps a spinning black hole turning too!
Watch more science videos
What are ocean currents?
Learn the science of ocean currents with Nanogirl marine biologist, Katey Fish.
How to crush a steel drum using air pressure
Go behind the scenes of a Nanogirl Live! show to see how this amazing experiment works!