The story of how our ancestors made the first tentative steps towards becoming human, how we lost our fur but gained language, fire and tools, and how we strode out of Africa, invented farming and cities and ultimately created modern civilisation.

How Numbers Work is a tour of the mind-blowing but beautiful realm of numbers and the mathematical rules that connect them.

Why The Universe Exists takes you deep into the world of particle physics to explore how the universe functions at the smallest scales.

A voyage through the mind to discover what consciousness really is, and what we can learn when it goes awry.

Light is fundamental - it interacts with life in profound ways. It tells us when to sleep, wake, eat; it tells plants which way to grow, birds where to fly and coral when to spawn. But light is changing, dramatically, and we don't truly understand the consequences. Nature writer Anna Levin explores the impact on the planet and on human health.