From the smallest things like, tiny invisible atoms to the biggest things like the universe itself, physics helps us understand the building blocks of our everyday world.

Why some stars are red, and some are blue? Why comets have tails, but asteroids don't. Astronomers try to answer some of the biggest questions that we can possibly ask, all by just looking up!

Chemistry is all about the tiny ingredients that make up everything! We use chemistry to bake cakes and cook dinner, or when we take a bath and mix soap and water together to make bubbles.

Marine Biology is the science of life under the oceans. From seaweed to sea lions, all life in the deep blue sea is marine biology.

Paleontology is the study of everything that lived on Earth before humans were around. Dr Nij explains how paleontologists dig to uncover fossils, and learn how life on planet Earth has evolved over billions of years.