Dr Chris and Dr Xand learn about space. They find out about satellites and how thousands are orbiting the Earth. Show more

Dr Chris and Dr Xand learn about space. Dr Maggie demonstrates how something as big as a satellite can stay in orbit around the Earth. Show more

Dr Chris and Dr Xand learn about space. They find out all about the angle of the Earth's spin and how it affects lots of things, including the four seasons. Show more

Dr Chris and Dr Xand learn about space. They discover that the Earth has an invisible force field that protects it from deadly solar winds. Show more

Dr Chris and Dr Xand learn about space. In this episode they investigate one of the biggest questions in the universe - are there aliens out there? Show more

Dr Chris and Dr Xand learn about space. They find out all about the length of our days and how they are getting longer - and that it's all because of the moon. Show more

Fun science for preschoolers. Experimenters Aaron and Sylvia visit Nina in her workshop and discover what makes windmills' sails turn in the wind. Show more

Fun science for preschoolers. Experimenters Bethan, Corey and Rhianna visit Nina in her workshop and see what happens when you build a dam in a stream. Show more

Fun science for preschoolers. Experimenters Samuel and Sofia visit Nina in her workshop and discover why skyscrapers need to be stronger the taller they are. Show more

Fun science for preschoolers. Experimenters Alexander, Billie and Marianna visit Nina in her workshop and discover what a cantilever is. Show more

Fun science for preschoolers. Experimenters Andreea, Soham and Yusuf visit Nina in her workshop and discover what happens when gas expands really quickly. Show more

Fun science for preschoolers. Super scientist Nina and her young Experimenters conduct an experiment to explain why the Eiffel Tower was built with lots of triangles. Show more

Fun science for preschoolers. Super scientist Nina and her young Experimenters conduct an experiment to explain how roof tiles keep houses dry inside. Show more

Fun science for preschoolers. Super scientist Nina and her young Experimenters conduct an experiment to explain why piers stay strong in the salty air and sea. Show more

Fun science for preschoolers. Super scientist Nina and her young Experimenters conduct an experiment to explain how birds keep their eggs cosy and safe. Show more

Fun science for preschoolers. Super scientist Nina and her young Experimenters have a go at building to find out how builders make holes in walls for windows and doors. Show more

Dr Chris and Dr Xand learn all about space. They find out about gravity and how it formed all the planets and stars in the universe. Show more

Dr Chris and Dr Xand learn about space. They find out all about the moon and how it affects our oceans and tides. Show more

Dr Chris and Dr Xand learn about space. They find out about the moon and how it is getting farther away from Earth. Show more

Fun science for preschoolers. Experimenters Taite and Taruni visit Nina in her workshop to investigate why some animals live underground. Show more