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Harvest of Fear Genetically modified foods—a wondrous
advance or a new threat? Explore the growing
controversy.
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 A fisherman's net snags off the coast of New
Jersey, revealing a missing World War II German U-boat.
Hitler's Sunken Secret An expedition to the bottom of Norway's Lake Tinn
illuminates Nazi Germany's nuclear ambitions.
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 The unlikely story of how the world's most
beloved telescope was saved.
Hunt for Alien Worlds Astronomers discover planets beyond our solar
system. But is there life on them?
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 Mysteriously beautiful fractals are shaking up
the world of mathematics and deepening our understanding
of nature.