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Mystery of the Megaflood
Part of the Series: NOVA
One of the Earth's strangest geological riddles is the evidence for a huge catastrophe that struck eastern Washington State thousands of years ago. It took scientists decades to figure out that a colossal flood had carved out bizarre landscape features strewn across thousands of square miles. On "Mystery of the…
Cave of Crystals—Exquisite Caves
Focus on the spectacular shapes, such as stalagmites, stalactites, flowstones, and other cave features formed by minerals slowly precipitating from water. Then visit the recently discovered Cave of Crystals in Mexico, a science-fiction-like world with individual crystals up to 35 feet long.
Food for Thought
Part of the Series: The Life of Mammals
Human beings appear to be unique amongst mammals - we live in huge cities, we walk on two legs and we have language. But how far have we really come from our mammal heritage? Are we really as different as we think from other mammals? To answer these questions we…
Motion
PBS
The forces of nature have kept Earth on the move since it was formed billions of years ago and its epic journey through space shapes all our lives.
Auroras—Light Shows on the Edge of Space
Investigate a stunning atmospheric phenomenon caused by events both inside Earth and in outer space. The shimmering colors of auroras result when particles from the solar wind are accelerated in Earth's magnetic field, which is generated by Earth's churning iron core.
Inexplicable Life
Join Professor Tyson on a fascinating investigation of the possible origins of life in the universe. Why was Jupiter believed to be a good environment for life in the 17th century? Why is there only one single "tree of life" on Earth instead of multiple ones? Could life have come…
The End of Time
Peter Mettler's enthralling, mind-bending new documentary is a tour de force that challenges our conception of time - and perhaps the very fabric of our existence. With stunning cinematography and a knack for capturing astonishing moments, The End of Time travels the planet - from the CERN particle accelerator outside…
The Science of Healing
PBS
The Science of Healing follows Dr. Sternberg to a tiny village in Greece, where her personal experience of the power of place in healing inspired the research that led to this program. We join her as she explores ruins of ancient Greek healing temples, and visits cutting edge science labs…
Color
PBS
Earth is painted in stunning colors. By understanding how these colors are created and the energy they carry, we can learn the secret language of the planet.
Forces of Nature - How We Experience Earth’s Natural Forces
PBS
Take a global tour in four themed episodes, answering the simplest questions about the complex forces that shape our planet. Why is water blue? How can a shape defy gravity? Why do bees make hexagonal honeycombs? And how do these things affect our own lives? Discover what lies beneath Earth's…
Elements
PBS
The forces of nature make Earth a restless planet, but they also turned our ball of rock into a home for life. How did our planet's ingredients, the chemical elements, come together and take that first crucial step from barren rock to a living world?
The Internet and Virtual Reality
Episode 35 of Redefining Reality
For all of their ubiquity, personal computers, email, and the Internet represent a major departure in the evolution of computer technology. Witness the exciting and improbable birth of personal computing in the 1970s, and explore the nature of the virtual world where more and more people now reside.