Wild Ways
Explore how newly established wildlife corridors offer hope to endangered species.
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Wild Ways
Four-lane highways may be a necessity to our modern society, but they can be a death traps for millions of animals that try to cross them. Around the world, wildlife need to roam for breeding, foraging, and to carry out their traditional migrations–but they are often blocked by ranches, farms, roads, and other human-made obstacles. While national parks and preserves offer some protection to wildlife, even the magnificent Serengeti and Yellowstone parks are too small to sustain healthy populations over generations. But now comes new hope for wildlife through an approach called “connectivity conservation.” Some of the world’s most beloved species–lions, bears, antelope and elephants–can be preserved by linking the world’s wildlife refuges with tunnels, overpasses, and protected land corridors. From North America’s Yellowstone to Yukon Conservation initiative to Southern Africa’s elephant highways stretching across five nations, see how animals are on the move again.
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- 53:07
Creatures of Light
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 of the oceans, it’s a different story: nearly 90% of all species shine from within. Whether it’s to scare off predators, fish for prey, or lure a mate, the language of light is everywhere in the ocean depths, and scientists are finally starting to decode it. NOVA and National Geographic take a dazzling dive to this hidden undersea world where most creatures flash, sparkle, shimmer, or simply glow. Join deep sea scientists who investigate these stunning displays and discover surprising ways to harness nature’s light—from tracking cancer cells to detecting pollution, lighting up cities, and even illuminating the inner workings of our brains.
Creatures of Light
Deep in the ocean, animals that flash, sparkle, and glow use light to survive in the dark.
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- 53:09
Bigger Than T. rex
Almost a century ago, paleontologists found the first tantalizing hints of a monster even bigger than Tyrannosaurus rex, perhaps the largest predator ever to roam the Earth: spectacular fossil bones from a dinosaur dubbed Spinosaurus. But the fossils were completely destroyed during a World War II Allied bombing raid, leaving only drawings, questions, and a mystery: What was Spinosaurus? Now, the discovery of new bones in a Moroccan cliff face is reopening the investigation into this epic beast. What did it feed on and how? Why did it grow so big? We follow the paleontologists who are reconstructing this terrifying carnivore, revealing a 53-foot-long behemoth with a huge dorsal sail, enormous, scimitar-like claws, and massive jaws tapered toward the front like a crocodile. Bringing together experts in paleontology, geology, climatology and paleobotany, this NOVA/National Geographic special brings to life the lost world over which Spinosaurus reigned more than 65 million years ago.
Bigger Than T. rex
Meet Spinosaurus—the lost killer of the Cretaceous and the world's largest carnivorous dinosaur ever.
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- 52:52
Why Sharks Attack
In recent years, an unusual spate of deadly shark attacks has gripped Australia, resulting in five deaths in ten months. At the same time, great white sharks have begun appearing in growing numbers off the beaches of Cape Cod, Massachusetts, not far from the waters where Steven Spielberg filmed the ultimate shark fright film, Jaws. What's behind the mysterious arrival of this apex predator in an area where they've rarely been seen for hundreds of years? Are deadly encounters with tourists inevitable? To separate fact from fear, NOVA teams up with leading shark experts in Australia and the United States to discover the science behind the great white's hunting instincts. Do sharks ever target humans, or is each attack a tragic case of mistaken identity? And can a deeper understanding of shark senses lead scientists to design effective deterrents and help prevent future attacks?
Why Sharks Attack
Will analyzing the hunting instincts of this endangered predator reduce deadly attacks?
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- 53:06
Venom: Nature's Killer
Over the millennia, thousands of creatures have developed that most sophisticated of biological and chemical weapons: venom. These complex chemicals can scramble your brain signals, paralyze your muscles, puncture your blood cells, even begin digesting you from within. But nature's most potent toxins might also contain the keys to a new generation of advanced drugs. Such drugs might help doctors treat heart attacks, cancer, diabetes, and other serious illnesses. Follow NOVA crews as they join scientists on a dangerous quest to track down and capture the world's most venomous animals—to find out both how they can kill us, and how they can save us.
Venom: Nature's Killer
Hunting down the most venomous animals to reveal their medical mysteries
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- 52:22
Lizard Kings
They look like dragons and inspire visions of fire-spitting monsters. But these creatures with their long claws, razor-sharp teeth, and muscular, whip-like tails are actually monitors, the largest lizards now walking the planet. With their acute intelligence, monitors—including the largest of all, the Komodo dragon—are a very different kind of reptile, blurring the line between reptiles and mammals. Thriving on Earth essentially unchanged since the time of the dinosaurs, they are a very successful species, versatile at adapting to all kinds of settings. This program looks at what makes these long-tongued reptiles so similar to mammals and what has allowed them to become such unique survivors.
Lizard Kings
Meet the monitors, the largest, fiercest, and craftiest lizards on Earth.
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- 52:46
Ape Genius
At a research site in Fongoli, Senegal, a female chimpanzee breaks off a branch, chews the end to make it sharp, and then uses this rudimentary spear to skewer a tasty bush baby hiding inside a hollow tree. It's an astonishing breakthrough for primate researchers—the first time anyone has documented a chimpanzee wielding a carefully prepared, preplanned weapon. But it's only the latest in a slew of extraordinary new findings about ape behavior.
Ape Genius
Experts zero in on what separates humans from our closest living relatives.
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- 53:06
How Smart Are Animals?
Would you care to match wits with a dog, an octopus, a dolphin, or a parrot? You may think twice after watching the segments in this NOVA scienceNOW episode. While we may not be ready to send pets to Harvard, the remarkable footage and findings presented here demonstrate that many animal species are much smarter than we assume and in ways we had never imagined.
How Smart Are Animals?
Dogs, dolphins, parrots, and even octopuses (mere mollusks!) may be smarter than you think.
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