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

An insight into how astronomers try to answer some of the biggest questions people have all by looking up.

An insight into chemistry as the tiny ingredients that make up everything, from baking cakes to cooking dinner.

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.

Dr Nij explains how palaeontologists dig to uncover fossils, and learn how life on planet Earth has evolved over billions of years.