Top Science Stories of 2019 • 2019

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Discover the secrets of humanity’s advanced skill set and predominance on earth. It was the rapid growth of our brain, originating about 2 million years ago, that allowed us to be the predominant species of the world. What caused this rapid growth of our cerebral cortex?

2021 • 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

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

49:24

Throughout history, human society has run on trade, and trade moved on the oceans. The innovations that allowed faster an more accurate oceanic travel revolutionized to the world. New inventions now help people move on water for fun and recreation.

S1E1 • Speed • 2019 • Science

43:04

Death is life's greatest certainty. But that may be about to change. Scientists have discovered an immortal animal that may hold the secret of endless regeneration. They're on the brink of editing our DNA so that we can cure death like a disease. Or is dying necessary for the survival of our species?

S8E02 • Through the Wormhole • 2017 • Science

49:51

What are the origins of life? How did things go from non-living to living? From something that could not reproduce to something that could? Earth is estimated to be about 4.5 billion years old, and for much of that history it has been home to life in one form or another. Our planet is teaming with life, from the highest mountain to the deepest ocean; life is everywhere. But what was the firing pistol that started the evolutionary race? How did material go from non-living to alive? It's one of the most fundamental and difficult questions that has challenged us since the beginning of time.

2007 • Science