Stargazing Challenges

Blue Peter presenters Helen Skelton and Barney Harwood want to learn more about the solar system so they challenge scientists Helen Czerski and Jem Stansfield to find out more. They look at how to make telescopes and rockets, and use a toilet roll to measure the distances between planets.

Pop! The Science of Bubbles

Physicist Dr Helen Czerski takes us on a journey into the science of bubbles - not just fun toys, but also powerful tools that push back the boundaries of science.

The Secret Life of the Sun

Kate Humble and Helen Czerski reveal the inner workings of the sun and investigate why scientists think changes in the sun's behaviour may have powerful effects on our climate.

Climate Change: A Horizon Guide

Dr Helen Czerski delves into the Horizon archive to chart the transformation of a little-known theory into one of the greatest scientific undertakings in history.

Rapid Motion Through Space: An Incomplete History of Speed

With input from an eclectic mix of scientists, engineers, sportspeople (and about thirty thousand snails) the film focuses on the many incarnations of speed and how it affects us all on land, sea, sky, space and even in our thoughts.