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NOVA
Season 37 • Episode 13 • Extreme Cave Diving
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NOVA Season 37, Episode 13: Extreme Cave Diving
"Extreme Cave Diving" follows a fearless team of scientists as they venture into blue holes—underwater caves that formed during the last ice age, when sea level was nearly 400 feet below what it is today. These caves, little-known treasures of the Bahamas, are one of Earth's least explored and perhaps most dangerous frontiers. The interdisciplinary team of biologists, climatologists, and anthropologists, led by renowned cave explorer Kenny Broad, discover intriguing evidence of the earliest human inhabitants of the islands, find animals seen nowhere else on Earth, and recover a remarkable record of the planet's climate. The stakes are high as the scientists swim hundreds of feet through narrow, dark passages that have trapped and killed divers in the past, but the scientific payoff is considerable. Watch NOVA Season 37, Episode 13 Extreme Cave Diving in HD free online. Enjoy high-quality streaming of NOVA Season 37, Episode 13 and share your thoughts in the comments below!
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Episodes
18 episodes
Darwin's Darkest Hour
This two-hour scripted drama tells the remarkable story behind the unveiling of the most influential scientific theory of all time, Charles Darwin's theory of evolution by natural selection. The program is a special presentation from NOVA and National Geographic Television, written by acclaimed British screenwriter John Goldsmith and directed by John Bradshaw.
55 min
Hubble's Amazing Rescue
The best-known scientific instrument in history was dying. After nearly 20 years in space and hundreds of thousands of spectacular images, the Hubble Space Telescope's gyroscopes and sensors were failing, its batteries running down, and some of its instruments were already dead. The only hope to save Hubble was a mission so dangerous that in 2004 NASA cancelled it because it was considered too risky.
55 min
Lizard Kings
Though they may look like dragons and inspire stories of man-eating, fire-spitting monsters with long claws, razor-sharp teeth and muscular, whip-like tails, these creatures are actually monitor lizards, the largest lizards to walk the planet. With their acute intelligence — including the ability to plan — these lizards are a very different kind of reptile, blurring the line between reptiles and mammals. And even though these bizarre reptiles haven’t changed all that much since the dinosaurs, they are a successful species, versatile at adapting to all kinds of settings. “Lizard Kings” looks at what makes these tongued reptiles so similar to mammals and what has allowed them to become such unique survivors. But while the creatures can find their way around many different habitats, finding them is no easy task. Natural loners, and always on guard, they sense anything or anyone from hundreds of feet away. NOVA follows expert lizard hunter Dr. Eric Pianka as he tracks the elusive creatures through Australia’s heartland with cutting-edge “lizard cam” technology for an unparalleled close encounter with these versatile “living dragons.”
55 min
Becoming Human: First Steps
The first hour examines the factors that caused the split from the apes. The film explores the fossil of “Selam,” also known as “Lucy’s Child” — an amazing, nearly complete child fossil that helps shed light on our ancestors’ early development and how we began to depart from that of chimps.
55 min
Becoming Human: Birth of Humanity
In gripping forensic detail, the second program in “Becoming Human” investigates the first skeleton that really looks like us — “Turkana Boy” — an astonishingly complete specimen of Homo erectus found by the famous Leakey team in Kenya.
55 min
Becoming Human: Last Human Standing
The final program examines the roots of our own species, Homo sapiens, which new evidence pinpoints to southern Africa some 200,000 years ago. New discoveries are upending old ideas and suggesting that our exodus from Africa was far earlier than previously thought.
55 min
What Are Dreams?
What are dreams and why do we have them? Are they a window into a hidden realm within us? Science is only just beginning to understand. NOVA joins the leading dream researchers and witnesses the extraordinary experiments they use to investigate the world of sleep. From human narcoleptics to sleepwalking cats, from recurrent nightmares to those who can’t dream, each sequence contains a vital clue to the question these scientists are pursuing: Why do we dream?
55 min
What Darwin Never Knew
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55 min
Killer Subs in Pearl Harbor
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55 min
Building Pharaoh's Ship
A magnificent trading vessel embarks on a royal expedition to a mysterious, treasure-laden land called Punt. Is this journey, intricately depicted on the wall of one of Egypt's most impressive temples, mere myth--or was it a reality? NOVA follows a team of archeologists and boat builders as they reconstruct the mighty vessel shown in the mysterious carving, and then finally launch it in to the Red Sea on a unique voyage of discovery.
55 min
Riddles of the Sphinx
A team of archeologists carries out experiments that reveal the techniques and labor invested in the carving of the Sphinx. The team also unearths new discoveries about the people who built the gigantic sculpture and why they created such a haunting and stupendous image.
55 min
Ghosts of Machu Picchu
NOVA joins a new generation of archeologists as they probe areas of Machu Picchu that haven’t been touched since the time of the Incas.
55 min
Extreme Cave Diving
"Extreme Cave Diving" follows a fearless team of scientists as they venture into blue holes—underwater caves that formed during the last ice age, when sea level was nearly 400 feet below what it is today. These caves, little-known treasures of the Bahamas, are one of Earth's least explored and perhaps most dangerous frontiers. The interdisciplinary team of biologists, climatologists, and anthropologists, led by renowned cave explorer Kenny Broad, discover intriguing evidence of the earliest human inhabitants of the islands, find animals seen nowhere else on Earth, and recover a remarkable record of the planet's climate. The stakes are high as the scientists swim hundreds of feet through narrow, dark passages that have trapped and killed divers in the past, but the scientific payoff is considerable.
55 min
The Pluto Files
When the American Museum of Natural History's Hayden Planetarium stopped calling Pluto a planet, director Neil deGrasse Tyson found himself at the center of a firestorm led by angry Pluto-loving elementary school students. What is it about Pluto—a cold, distant, icy rock—that captures so many hearts? Four years after the IAU (International Astronomical Union) officially reclassified the ninth planet as a plutoid, NOVA travels cross-country with Tyson to find out.
55 min
Hunting the Edge of Space: The Mystery of the Milky Way
In a two-hour special, NOVA examines how a simple instrument, the telescope, has fundamentally changed our understanding of our place in the universe.
55 min
Hunting the Edge of Space: The Ever Expanding Universe
In a two-hour special, NOVA examines how a simple instrument, the telescope, has fundamentally changed our understanding of our place in the universe.
55 min
Mind Over Money
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55 min
Mt. St. Helens Back From the Dead
For 27 years, biologist Charlie Crisafulli has been documenting the dramatic return of plant and animal life to Mt. St. Helens after the 1980 eruption. / When Mount St. Helens erupted in 1980, every living thing in the blast zone was buried beneath 300 feet of avalanche debris, covered with steaming mud and, finally, topped with a superheated layer of frothy rock from deep within the earth. Biologist Charlie Crisafulli has remained at the site for 27 years, documenting the dramatic return of plant and animal life to the barren landscape and pioneering a new understanding of the interaction between geologic forces and the life surrounding the mountain.
55 min