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Join engineers as they build a massive new railway deep beneath the streets of London.
S43 Ep17 | 52m 52s
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15 Years of Terror
From 9/11 to today’s crowd-sourced violence, trace how terrorists’ strategies have evolved
S43 Ep16 | 54m 30s
School of the Future
How can the science of learning help us rethink the future of education for all children?
S43 Ep15 | 1h 53m 34s
Bombing Hitler's Supergun
Discover how Allied forces conspired to destroy one of Hitler’s most diabolical weapons.
S43 Ep14 | 52m 51s
Operation Lighthouse Rescue
Join engineers as they race to rescue a historic lighthouse from certain doom.
S43 Ep13 | 52m 52s
Great Human Odyssey
Follow our ancient ancestors’ footsteps out of Africa and into every corner of our planet.
S43 Ep12 | 1h 53m 7s
Explore how newly established wildlife corridors offer hope to endangered species.
S43 Ep11 | 53m 22s
Creatures of Light
Deep in the ocean, animals that flash, sparkle, and glow use light to survive in the dark.
S43 Ep9 | 53m 7s
Can Alzheimer's Be Stopped?
Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.
S43 Ep8 | 52m 51s
Scientists are learning how we can edit memories—and delete our worst fears.
S43 Ep7 | 53m 7s
Rise of the Robots
How will human-like robots change our future and how we see ourselves?
S43 Ep6 | 52m 55s
Watch as Otzi, a 5000-year-old mummy, is brought to life and preserved with 3D modeling.
S43 Ep5 | 52m 52s
The 2015 quake that rocked Nepal was the biggest in 90 years—can we forecast the next one?
S43 Ep4 | 53m 7s
Mystery Beneath the Ice
What’s behind the death of a tiny creature with an outsized role in the Antarctic?
S43 Ep3 | 52m 51s
Life's Rocky Start
What is the secret link between rocks and minerals, and every living thing on Earth?
S43 Ep2 | 53m 7s
Secret Tunnel Warfare
In WW1 Allied troops tunneled under enemy lines to create the biggest explosion ever seen.
S43 Ep1 | 52m 52s