DocuBox HD

Cave diving is the most difficult and dangerous type of diving, so the training to become a certified cave diver is arduous. This episode documents Jonathan's actual cave training in the Bahamas and follows him as he learns how to dive safely in the overhead environment of a cave in an attempt to earn his full cave diver certification.

Early computers include the Antikythera device and Babbage's engines, though his designs were ahead of their time. WWII accelerated the need for powerful calculators. Early machines were massive but weak. The invention of the transistor in the 1950s replaced bulky vacuum tubes, enabling personal computers. Today, supercomputers help design planes, buildings—even target genes. Computers are evolvin

If you have ever gone to a hockey game, or gone ice-skating, there is ONE revolutionary machine that helps keep the fun and action going! And that's all thanks to the ZAMBONI® ICE RESURFACING MACHINE. You'll learn how and why it was invented! And ever notice some pistachio nuts are RED in color? We'll throw up the RED FLAG and explain why the color is simply a COVER UP!

If you ever go camping there is one thing you do not want to leave home without, the SWISS ARMY KNIFE! We'll explain how it evolved into the most famous knife in the world and how the company's name got "CUT" together! And where did the term CUP OF JOE come from as well as the word JAVA? And we all love a juicy HAMBURGER, so where did these chopped meat patties come from?

Come with us as we explore and unravel the mysteries of what lies beyond our planet Earth. This is a series packed with space stories and information about our universe covering what we can see, how we can live in space and what science tells us about the past and the future as we journey inside out of space.

Come with us as we explore and unravel the mysteries of what lies beyond our planet Earth. This is a series packed with space stories and information about our universe covering what we can see, how we can live in space and what science tells us about the past and the future as we journey inside out of space.

Beyond the asteroid belt lay the ice giants, some can be seen with the naked eye, others only glimpsed once by a passing probe. We are again sending cameras to the edge of the solar system giving us new insights into the evolution of our worlds.

These are the the Moon's of the gas giants. Each a unique and mysterious world of its own. Some have oceans of water, geysers of Sulphur or atmospheres of plastic. Some are just now being seen at the outer rim of our solar system, all are worthy of much more scrutiny.

Zenith - Advances in Space Exploration reveals these latest developments and the implications they hold for all of us.

Animation creates motion from still images shown in rapid sequence. Aviation illusions affect pilots' balance due to conflicting sensory input. The spinning dancer illusion shows bistable perception—viewers may see it spin in either direction. Mirages occur when light bends through layers of air at different temperatures. Rainbows form when sunlight refracts and reflects through water droplets, sp

Iridescence causes surfaces to reflect shifting colors due to light interference. Chemiluminescence produces light via chemical reactions, while bioluminescence does the same in living organisms using luciferin and luciferase. Gemstone colors come from structural elements or impurities affecting light absorption. Mechanical plant defenses include thorns, spines, and microscopic features that help

A series that puts chemistry in our everyday experience by showing the living connection we have with the chemicals and elements that make up our world. The matter that built skies and seas, the atoms that make up you and me, the chemistry around us that forms the things we touch, smell and see. This series shows us what the objects in our universe and in our homes are made from and why the partic

A series that puts chemistry in our everyday experience by showing the living connection we have with the chemicals and elements that make up our world. The matter that built skies and seas, the atoms that make up you and me, the chemistry around us that forms the things we touch, smell and see. This series shows us what the objects in our universe and in our homes are made from and why the partic

Travelling by boat bears a priceless sense of Freedom and offers endless new vistas to all passengers. Across waterways around the world Boats are an essential tool of daily life whether they carry goods, serve as utilities or services in remote areas.

RV Explorers, chasing 100 Sunsets. A TV show following a new motorhoming couple as they explore the towns and regions of NZ - experiencing various tourist attractions, events and joining in with other motorhomers to experience their favourite activities.

International kayakers travel the whitewater of Norway and show us the natural beauty that Norway has to offer.

Follow base jumping icon and ski base pioneer into the heart of Switzerland.

Humpback Whales, perfect water, summer sunshine and one of the finest fishing Chinook Salmon solo fishing days!

The host searches for koalas in the You Yangs National Park.

The presenter explores the Wet Tropics of Queensland.

Rafa, the 'Birdman of Loro Parque', proudly leads the Foundation's ornithological work, surrounded daily by parrots, puffins, and penguins. Meanwhile, Inaki faces a challenge: training Sue-Anne the anteater. Armed with vanilla yoghurt and patience, he's hoping charm wins over stubbornness. Will she cooperate or snub his efforts?

Ubongo the gorilla has a foot injury, and treating a 400-pound patient takes serious skill. Meanwhile, Ester's team unveils a coral farm—less cuddly, but just as vital. And in the summer heat, Hugo the sloth cools off with a slow-motion shower. From veterinary challenges to marine innovation and quirky animal moments, Loro Parque never stops surprising.

Gasp at animal power, gawp at childhood innocence, this is the true story of children who live as friends with wild animals.

Island of a thousand palm trees - the Canary Island of La Gomera.

Outta Town Adventures travels both near and far to discover the best advenures the destinations have to offer. This TV series is dedicated to presenting history, culture and geography in a fun and pisitive way. It encourages people to explore this beautiful world - something that starts with simply getting out of town.

Outta Town Adventures travels both near and far to discover the best advenures the destinations have to offer. This TV series is dedicated to presenting history, culture and geography in a fun and pisitive way. It encourages people to explore this beautiful world - something that starts with simply getting out of town.

Another rare species and close relative of manatees is the dugong. Dugongs cling to survival in a few isolated corners of the globe. In marine sanctuaries in Abu Dhabi, the bizarre animals have been notoriously difficult to find, let alone photograph. Manatees and Dugongs features exclusive HD imagery of the mammals in the wild and examines efforts of scientists to protect the two species. The pro

Sarah travels to one of the top 10 dive destinations in Australia (Julian Rocks, Byron Bay, NSW) to dive with three species of Wobbegong Sharks within the Cape Byron Marine Park. She also conducts a street poll with members of the public to find out what they think about sharks.

How is life on the city's roofs? This series scales new heights, exploring apartment buildings, towers and monuments to discover a world full of unsuspected treasures : our rooftops. By day and night, the population changes on these heights. There are people who work here, people who live here, and others who come here to relax. The world's rooftops are a continual hive of activity.

Deep in the heart of Mexico's Yucatan, Jonathan is exploring remote cenotes in the jungle that were once used for Mayan rituals. Just reaching the surface of the water requires rappelling down from the forest above. But then, beneath the surface, he encounters strange alien life forms that live in total darkness, and the remains of humans and animal sacrifices from an ancient culture.

In the Flower Garden Banks National Marine Sanctuary, Jonathan investigates some of the densest coral reefs in the Caribbean as they spawn under cover of darkness. Then he heads over to Silver Springs for the Sea Hunt Forever Festival, celebrating the classic TV show Sea Hunt and the vintage scuba gear that was used on the program.

Paper wasn't always easy to make or use. Early writing appeared on cave walls, bamboo, and papyrus. True paper was credited to Cai Lun in 105 AD. It was once expensive, but after the Black Death, cloth scraps made it cheaper. Pens evolved too—from messy feathers to the ballpoint. Today, paper contributes heavily to pollution—about 10% of greenhouse gases. The future? E-paper: the digital alternati

Radio waves, born from electromagnetism, power wireless tech like phones, TVs, and RADAR. Though invisible, they've transformed society. Discoveries by Galvani, Franklin, and Oersted revealed their power. From melting chocolate to X-rays, EM waves penetrate everything—even the human body. Now, they're helping us explore the brain. What's next for this invisible force?

Learn how ALMOND NUTS get transformed into "MILK." And why are movie TRAILERS shown at the beginning of the film? We'll keep your attention so you'll want to stick around for the answer. And learn how detergents make your clothes SEEM brighter and whiter.

Learn how a pharmacist and an accountant created the most famous drink in the world, coca cola! And, learn the "Bear" truth behind how a U.S. president helped create everyone's favorite stuffed toy, The Teddy Bear! Then, how did a piece of wire accidentally "Slink" its way to become a fantastic fun toy for children? Plus, how a the wiffle ball was invented.

Come with us as we explore and unravel the mysteries of what lies beyond our planet Earth. This is a series packed with space stories and information about our universe covering what we can see, how we can live in space and what science tells us about the past and the future as we journey inside out of space.

Come with us as we explore and unravel the mysteries of what lies beyond our planet Earth. This is a series packed with space stories and information about our universe covering what we can see, how we can live in space and what science tells us about the past and the future as we journey inside out of space.

As scientists and astronomers peer closer at nearby stars with ever more fidelity they are discovering planets.

The night sky is a time machine. The further we look out into the universe the further back in time we reach. What we see in the night sky is only a small percentage of the contents of the Universe, most is dark matter and dark energy we know it exists; however its nature eludes us for the moment.

Zenith - Advances in Space Exploration reveals these latest developments and the implications they hold for all of us.

A series that puts chemistry in our everyday experience by showing the living connection we have with the chemicals and elements that make up our world. The matter that built skies and seas, the atoms that make up you and me, the chemistry around us that forms the things we touch, smell and see. This series shows us what the objects in our universe and in our homes are made from and why the partic

A series that puts chemistry in our everyday experience by showing the living connection we have with the chemicals and elements that make up our world. The matter that built skies and seas, the atoms that make up you and me, the chemistry around us that forms the things we touch, smell and see. This series shows us what the objects in our universe and in our homes are made from and why the partic

Travelling by boat bears a priceless sense of Freedom and offers endless new vistas to all passengers. Across waterways around the world Boats are an essential tool of daily life whether they carry goods, serve as utilities or services in remote areas.

RV Explorers, chasing 100 Sunsets. A TV show following a new motorhoming couple as they explore the towns and regions of NZ - experiencing various tourist attractions, events and joining in with other motorhomers to experience their favourite activities.

Athletes from across the world are competing in skier cross and big mountain freeskiing for pride glory and big bucks.

Behind the scenes of a mountain bike action movie with the top riders in the world hitting new stunts and tricks that will elevate the sport of freeride mountain biking.

Running Southbound outside on Central Coast with a big Tyee Chinook Release finish North of Milbanke Sound!

America's military history is on display on the decks of the USS North Carolina. Then we visit the historic Confederate Fort Fisher civil war museum and learn about the Carolina's role in the civil war.

The live music capital of the US has an interesting past. Take an in depth look at one of Austin's oldest hotels, The Driskill. Then we'll learn about Texan independence in the Bob Bullock History museum. Finally, we'll end up at one of Austin's most historic buildings, the Texas state capitol.

Weather is universal and it's also Extra Terrestrial. Learn about space weather and how it can impact us on earth. Supercells are unique storms that scientists have learnt to measure into three types. Under the earth's crust, nature is extremely energetic, and we see this through the Volcano which acts as our eye into the forces beneath our feet. Learn about the purple buzzing glow called St Elmo'

Catch-and-release Chinook Salmon derby from Vancouver promoting Pacific Salmon Foundation!

The presenter explores the Wet Tropics of Queensland.

Sarah travels to one of the top 10 dive destinations in Australia (Julian Rocks, Byron Bay, NSW) to dive with three species of Wobbegong Sharks within the Cape Byron Marine Park. She also conducts a street poll with members of the public to find out what they think about sharks.

Journey inside Dust Storms to see how they are formed and the hazards and effects they cause. A glimpse into the science of Clouds and how they fit into the weather cycle of the planet. The power of Lightening is more than visual, it is noise, electricity and it even helps plants to grow. Did you know that Rain droplets have different shapes and temperatures, it's maybe more interesting than you t

Join us as we cruise the backwaters of Kerala, one of the most beautiful and serene areas of India. We explore the cities of Cochin and Kozhikode. Attend a local theatre performance and learn about traditional drama styles. The drama continues as we witness a local festival and then take in a display of the ancient art of Kalaripayattu. Bill helps raise the Chinese fishing nets at dusk and tour a

Every major country has a destination that is incredible but not well known to outsiders—Jaisalmer is such a place. Once a major stop along the silk road, this living museum and surrounding countryside has something for everyone: tragic history, unbelievable architecture, unique cultural groups and resilient wildlife.

This is one of the few national parks in Africa where the bush meets the ocean. The big game of Africa face off with the creatures of the deep. Our host goes a little rogue for supper and tries his hand at surf netting prawns after spending a day looking for the elusive elephants of Saadani.

In all previous Journeys' shows, only glimpses of the cheetah were seen. Here at Kruger, we get up close to this shy cat before heading out of the park and visiting a special research and breeding center dedicated to cheetahs.

A look into the world and culture of snowmobiling; the fans, the lifestyle and the sport.

Alaska is known for it's Alaskan Pipeline and the best heli-skiing this episode takes us deep into mountain lines as we try to out run avalanches.

Travelling by boat bears a priceless sense of Freedom and offers endless new vistas to all passengers. Across waterways around the world Boats are an essential tool of daily life whether they carry goods, serve as utilities or services in remote areas.

The ESA - JAXA joint Bepi-Colombo Mission is moments away from launch. The target is Mercury which has been too long neglected; this mission will shed new light on this strange world of light and dark.

A series that puts chemistry in our everyday experience by showing the living connection we have with the chemicals and elements that make up our world. The matter that built skies and seas, the atoms that make up you and me, the chemistry around us that forms the things we touch, smell and see. This series shows us what the objects in our universe and in our homes are made from and why the partic

Before computer drawing programs, there was a toy that if you mastered its two circular white knobs you could have a picture perfect SKETCH. We'll explain how the ETCH A SKETCH drew onto the scene. And what did Neil Armstrong REALLY say when he stepped on the moon, the "aahh" answer will surprise you! Plus, where did the explosive name BIKINI come from?

On a hot summer's day, nothing cools you down like a frozen fruity popsicle! You'll learn how an 11-year old boy created this sweet icy treat! And, have you ever noticed those colored spinning poles outside the barbershop? You'll be in stitches when you learn how they got their start! Plus, find out how a melting chocolate bar gave way to the invention of the microwave!

Water: H2O Stories is a 3x52 series revisiting the story of water on planet Earth and its disrupted course over time which has led to the 21st century biggest challenge.

Come with us as we explore and unravel the mysteries of what lies beyond our planet Earth. This is a series packed with space stories and information about our universe covering what we can see, how we can live in space and what science tells us about the past and the future as we journey inside out of space.

Weather is universal and it's also Extra Terrestrial. Learn about space weather and how it can impact us on earth. Supercells are unique storms that scientists have learnt to measure into three types. Under the earth's crust, nature is extremely energetic, and we see this through the Volcano which acts as our eye into the forces beneath our feet. Learn about the purple buzzing glow called St Elmo'

A series that puts chemistry in our everyday experience by showing the living connection we have with the chemicals and elements that make up our world. The matter that built skies and seas, the atoms that make up you and me, the chemistry around us that forms the things we touch, smell and see. This series shows us what the objects in our universe and in our homes are made from and why the partic

Canned food began with Napoleon's contest to preserve food, won by Appert's boiled, sealed bottles. The British later developed metal cans, though early ones exploded or caused illness. Can openers came 30 years later. Pasteur's germ theory explained spoilage. Pressure-cooking improved taste, and now, 'raddaperization'—zapping food—is the future. Canning evolved from battlefield necessity to high-

Come with us as we explore and unravel the mysteries of what lies beyond our planet Earth. This is a series packed with space stories and information about our universe covering what we can see, how we can live in space and what science tells us about the past and the future as we journey inside out of space.

Forests are crucial for our survival on Earth. They absorb carbon dioxide from the atmosphere and supply all living forms with clean oxygen. "We are like a patient in a hospital bed that is turning down their oxygen tank and thinking they could live with a little bit less oxygen and meanwhile the CO2 is increasing in the room" says journalist Andrew Nikiforuk.