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Clips and Previews
Secrets in our DNA | Preview
January 13, 2021
What can DNA testing companies reveal about our ancestry and health, and at what risk?
Bird Brain Preview
December 7, 2020
Watch as birds solve puzzles and challenge our basic notions of intelligence.
Saving Notre Dame Preview
November 25, 2020
Scientists and engineers fight to save Notre Dame Cathedral after the 2019 fire.
Petra - Lost City of Stone | Preview
November 9, 2020
How did early engineers carve tombs into rock cliffs and funnel water to this desert city?...
Colosseum: Roman Death Trap
November 2, 2020
1500 years ago, how did the Romans engineer bloody spectacles and reenact sea battles?
Can We Cool the Planet? Promo
October 28, 2020
Scientists look to geoengineering and other methods to cool the planet.
Nature's Fear Factor Preview
October 14, 2020
Can bringing predatorsand fearback into an ecosystem help restore its natural balance?
A to Z: How Writing Changed the World Promo
September 30, 2020
The creation of printing, the first information technology, drove empires and revolutions....
A to Z: The First Alphabet Preview
September 23, 2020
The birth of writing and the first alphabet were among the worlds most vital inventions.
Secret Mind of Slime Preview
September 16, 2020
Meet slime molds: the brainless blobs that can learn, make decisions, and navigate mazes.
Touching the Asteroid Promo
September 15, 2020
Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.
Human Nature Preview
September 9, 2020
We can now edit the human genome with a tool called CRISPR. But how far should we go?