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Harvest of Fear

Harvest of Fear
Genetically modified foods—a wondrous advance or a new threat? Explore the growing controversy.

Hawaii Born of Fire

Hawaii Born of Fire
From their blistering beginnings as molten rock, the Hawiian islands have grown into a verdant paradise of unique lifeforms.

Hitler's Lost Sub

Hitler's Lost Sub
A fisherman's net snags off the coast of New Jersey, revealing a missing World War II German U-boat.

Hitler's Sunken Secret

Hitler's Sunken Secret
An expedition to the bottom of Norway's Lake Tinn illuminates Nazi Germany's nuclear ambitions.

Holocaust on Trial

Holocaust on Trial
A trial in London's High Court examines evidence from Auschwitz to successfully challenge the claims of Holocaust "deniers."

Hubble's Amazing Rescue

Hubble's Amazing Rescue
The unlikely story of how the world's most beloved telescope was saved.

Hunt for Alien Worlds

Hunt for Alien Worlds
Astronomers discover planets beyond our solar system. But is there life on them?

Hunt for the Supertwister

Hunt for the Supertwister
Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer.

Hunting the Hidden Dimension

Hunting the Hidden Dimension
Mysteriously beautiful fractals are shaking up the world of mathematics and deepening our understanding of nature.

 

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