Analyze the ways in which cold has shaped the physical world, and learn why your definition of frozen may require an update. Meet scientists pushing frigid temps to their absolute limit, driving technological developments such as superconductors.

Helen Czerski reveals how life began when hot met cold, and how every single living creature on Earth depends on temperature for its survival; she witnesses the remarkable surgery that uses temperature to push the human body to the brink of life.

Explore the science of heat and ponder the role it plays in moulding the Earth. Discover what happens when an object heats up or cools down, investigate the physics that underlie extreme temperature swings, and unlock the power of this primal force.