Top Science Stories 2021 • 2021

58:42

Just 92 elements made up the world, but the belief that were only four - earth, fire, air and water - persisted until the 19th Century. Professor Al-Khalili retraces the footsteps of the alchemists who first began to question the notion of the elements in their search for the secret of everlasting life. He reveals the red herrings and rivalries which dogged scientific progress, and explores how new approaches to splitting matter brought us both remarkable elements and the new science of chemistry.

S1E1 • Chemistry: A Volatile History • 2010 • Science

67:35

Brings viewers all the amazing news-breaking advances in science in technology from 2021. Startling discoveries from around the globe, from a prehistoric nursery to a covid treatment breakthrough. Join us for an exclusive hyper-tour from earth to space.

2021 • Science

59:07

Brian believes we are at the start of a new age of space travel, where space flight is on the verge of becoming routine. In this episode, he explores the latest science and takes a new look at his old films and asks: how far can we go in our exploration of the cosmos?

S1E1 • Brian Cox's Adventures in Space and Time • 2021 • Science

59:00

In the final part, Professor Al-Khalili uncovers tales of success and heartache in the story of chemists' battle to control and combine the elements, and build our modern world. He reveals the dramatic breakthroughs which harnessed their might to release almost unimaginable power, and he journeys to the centre of modern day alchemy, where scientists are attempting to command the extreme forces of nature and create brand new elements.

S1E3 • Chemistry: A Volatile History • 2010 • Science

4:45

Ever wonder how the heart symbol came to stand for the actual heart? And why do we speak of the heart as the seat of love, when love really happens in our brains? Is it true that animals only get a billion heartbeats? This week, we give you enough cool cardiac science to make your heart skip a beat.

It's Okay To Be Smart • Science

11:46

Young black teens in South Africa's townships are learning to be radio reporters by trying to understand the concept of "Ubuntu" and what it means to their community.

S1E4 • Stories of Impact • 2019 • Science