A.I. & Morality • 2019 • episode "S1E2" • Stories of Impact

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

59:01

Dr Alice Roberts asks one of the great questions about our species: are we still evolving? There's no doubt that we're a product of millions of years of evolution. But thanks to modern technology and medicine, did we escape Darwin's law of the survival of the fittest? Alice follows a trail of clues from ancient human bones to studies of remarkable people living in the most inhospitable parts of the planet and the frontiers of genetic research, to discover if we are still evolving - and where we might be heading.

Horizon • 2011 • Science

53:06

In the United States, some 10% of people who wish to have children struggle with infertility. It’s especially common in the African American community, and fertility preservation can be difficult for transgender individuals as well. But why is this? And what can be done about it? NOVA explores barriers to fertility, from the social to the biological, and the state of assisted reproductive technologies. Follow the journeys of people navigating challenges from structural inequalities and racism to falling sperm counts.

NOVA PBS • 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

59:24

For decades, scientists have tried to unlock the secrets of ancient DNA. But life's genetic blueprint is incredibly fragile, and researchers have struggled to find genetic material in fossils that has survived for millions of years. Then, one maverick scientist had the controversial idea of looking for DNA not in fossils or frozen ancient tissue - but in the soil. Follows the scientists deciphering the oldest DNA ever found and revealing for the first time the genes of long-extinct creatures that once thrived in warm, lush Arctic landscapes.

2024 • Science

44:08

For over 25 years, the Twin Towers defined the New York skyline and epitomized everything the United States stood for. And then in just a couple of hours, they were gone. 9/11 remains the deadliest act of terrorism on American soil, but how did an attack of this scale happen and why were we so unprepared for it? Through investigative reports, declassified documents, and interviews with first responders and those who were involved at the highest level, we reveal ten fatal mistakes that together led to that horrific, tragic day.

S1E1 • Ten Steps to Disaster • 2021 • Science