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

67:44

2019 was a year filled with astonishing discoveries on Earth and beyond. We inched closer to immortality, recovered and restored our heritage, and science fiction became science fact when we saw the unseeable for the very first time.

2019 • Science

79:29

Take a look back at many of the most fascinating science stories of 2018. Discover how a young woman who fell into a cave 3.7 million years ago is rewriting our understanding of early human history. Learn how space missions are unraveling the mysteries of our universe. See the year in a new light!

2018 • Science

53:32

Join scientists on the most ambitious Arctic research expedition of all time. Experts from over twenty different nations join the voyage of the massive Polarstern icebreaker as it’s gripped by the polar ice and drifts for nearly an entire year. From this unique research station, they can make long-term observations and perform experiments in unprecedented detail. Facing hungry polar bears, perilous sea ice cracks, and brutal cold, the team strives to understand the forces that are changing the region—and the world—forever

NOVA PBS • 2021 • 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

113:50

A two-hour special from the producers of "Making Stuff" Where do nature's building blocks, called the elements, come from? They're the hidden ingredients of everything in our world, from the carbon in our bodies to the metals in our smartphones. To unlock their secrets, David Pogue, technology columnist and lively host of Nova’s popular "Making Stuff" series, spins viewers through the world of weird, extreme chemistry: the strongest acids, the deadliest poisons, the universe's most abundant elements, and the rarest of the rare—substances cooked up in atom smashers that flicker into existence for only fractions of a second.

NOVA PBS • 2012 • Science

11:32

We're limited by our senses. How can we define what "real" means?

Science