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The Franklin Expedition is explored 160 years after vanishing while charting the Northwest Passage.
During World War I, the Allies and Germans repeatedly struggled to break the hideous stalemate of trench warfare. In the winter of 1916, Allied engineers devised a massive surprise .. show full overview
Four and a half billion years ago, the young Earth was a hellish place—a seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, .. show full overview
Tiny, transparent, and threatened, krill are crucial to the Antarctic ecosystem. But the population of krill is crashing for reasons that continue to baffle the experts. A leading theory .. show full overview
On April 25, 2015, a devastating earthquake rocked Nepal. As it ripped across the Himalayas, it wiped out villages and left thousands dead. Hear the harrowing stories of the Nepalese .. show full overview
On a summer’s night, there’s nothing more magic than watching the soft glow of fireflies switching on and off. Few other life forms on land can light up the night, but in the dark depths .. show full overview
Memory is the glue that binds our mental lives. Without it, we’d be prisoners of the present, unable to use the lessons of the past to change our future. From our first kiss to where we .. show full overview
He was stalked, attacked and left to die alone. Murdered more than 5,000 years ago, Otzi the Iceman is Europe’s oldest known natural mummy. Miraculously preserved in glacial ice, his .. show full overview
Machines are everywhere. They run our factory assembly lines and make our coffee. But humanoid robots—machines with human-like capabilities—have long been the stuff of science fiction. .. show full overview
Uncover the truth behind the legendary Vikings and their epic journey to the Americas.
Alzheimer's ravages the minds of over 40 million victims worldwide. Join scientists as they untangle the cause of this tragic illness and go behind the scenes of major drug trials to discover the therapies that may slow and even prevent the disease.
Explore how newly established wildlife corridors offer hope to endangered species.
Engineers race to rescue the Gay Head Lighthouse on Martha's Vineyard from the ocean's erosion.
Engineers and World War II historians investigate Hitler's fearsome bank of "superguns."
From 9/11 to today’s crowd-sourced violence, trace how terrorists’ strategies have evolved.
How the science of learning may change education for all children.
Follow our ancient ancestors’ footsteps out of Africa and into every corner of our planet.
Join engineers as they build a massive new railway deep beneath the streets of London.
Gemstones like diamonds, rubies, opal and jade are the ultimate treasures. Delve into Earth's depths to discover how these precious stones are forged and what explains the unique allure of each captivating gemstone.
Gold, bronze, iron, steel... metals are pillars of our civilization, but what makes them so special? Discover their unique properties and explore how our mastery of metals has led us from the stone age to today's hi-tech world.
Drill down to discover how Earth's natural treasures provide bountiful energy to power our modern world yet are also driving us to seek new, cleaner alternatives that can help us keep the lights on.
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