What keeps us on the surface of the Earth When we throw a ball what stops it flying out into space The answer is forces We cannot see forces but they make the Universe function. Find out how forces work and how we use them in special ways every day.

STEM stands for science, technology, engineering and mathematics, and it is not just for scientists. The existence of the whole Universe, including us and our daily lives, can all be described with the wonderful scientific facts that make up the topics included in STEM. In this series, you will find out how easy STEM is to understand and discover how you can see it in action every second of every day.