During the 1930s, communities across Appalachia were in the dark at night because electric lines still had not connected them to the 20th Century. The TVA turned to the watersheds draining the Great Smoky Mountains and built a series of hydroelectric complexes that sparked the South’s economy.
Feeling out of shape? You're not alone. The pandemic has totally crushed most exercise routines. But a revolution in "connected fitness" is changing that, bringing hi-tech gear, live instruction and social interaction right into our homes.
From the arctic tundra to the great planes, the kingdom of the wolf extends across the entire northern hemisphere. They are icons of the wilderness, spectacular creatures that live and die by the sword.
Forests are dense, dark habitats, a realm of shadows, ideal for predators to stalk, whether it’s mink on the forest floor, goshawks in the canopy, and the big predators, lynx, and wolves in between
The faint red glow of Mars has intrigued those watching it from Earth for centuries. Now space exploration has begun to lift the veil on "The Red Planet", and upcoming missions to Mars are looking at Mars as a potential habitat for humans. Can we move to Mars in the next decade?
From the early attempts for the Great War to the visionary offerings to assist in space flight, aircraft designers have turned to unorthodox twin boom concepts as a viable option.
For over 35 years, the Sikorsky Blackhawk has been a reliable war horse for the U.S. Armed Forces–charging into hostile territory from the deserts of Iraq to the mountains of Afghanistan. After decades of upgrades, it remains one of the world's most sophisticated aircraft.
In Africa’s Great Rift Valley, lies a mysterious, toxic lake. Lake Natron’s red water reaches hellish temperatures and its chemistry is similar to ammonia. Yet despite the deadly conditions, a few species manage to do more than just survive -- they thrive.
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Technology has improved our lives in so many ways. Trans-humanists are fusing their bodies with digital implants to increase their abilities and expand their senses. How is life going to change for us all if some people have supernatural powers?
Examining how renewed excitement about returning to the moon could lead to a colony.
With Germany's FW 190 terrorizing the skies of Europe, Britain and America merge the P-51 Mustang and the super Merlin engine to create the ultimate fighting machine.
The Lockheed Constellation, known as the "Connie," was one of the most elegant and aesthetically-pleasing aircraft to ever take flight. The iconic American airliner was the end product of a four-decade long search for the perfect airliner.
Discover an unexpected side of Iran. Hamid Said, a famous black musician in Iran, is traveling by motorbike across the province of Hormozgan to organize a concert with the best black musicians in the country.
Explore the hidden corners and magnificent wildlife of the country known for its sun-kissed beaches and 2,500 miles of contrasting landscapes.
Host Derek Muller uncovers the mind-blowing secrets of spider vision! Discover how advanced color vision in jumping spiders has evolved in so many unique ways, and explore the wide spectrum of colors in their hidden world. You won't believe what these tiny creatures can see!
The F4U Corsair was an iconic and versatile fighter-bomber in both World War II and Korea. Could a modern jet live up to that reputation? The Vietnam-era A7 Corsair was designed more for an attack role than its legendary namesake, but it was every bit as successful.
This film reconstructs the life of famed marine biologist and environmental pioneer Jacques Cousteau using a fascinating mix of wildlife footage, archive material and re-enactments.
The Mona Lisa by Leonardo da Vinci is one of the most famous paintings in the world. Her real name according to art history is “La Gioconda”. For many years though, there have been doubts: why did Leonardo not hand the portrait on to the commissioner if it was a picture of his wife?
Countless animals from across the globe currently face extinction; if we are to stem the tide we must understand the lifestyles and habitats of the awe-inspiring creatures currently in danger.
Mangroves are one of the most important habitats on Earth, vital to many of the planet’s most extraordinary, wonderful, and endangered species. Everything from shorebirds and sharks to monkeys and manatees relies on mangroves for their survival.
Every year, there are 2 million visitors to the Great Smoky Mountains National Park. People come from all over the world to catch a glimpse of the blue haze that gives the park its name or a black bear scurrying into the woods. Most people don’t realize that there is a whole world to be discovered.
With 318 hairpin curves packed into just 11 miles of twisting scenic highway, this stretch of U.S. Highway 129 continues to regularly claim the lives of motorcyclists drawn here by the riding challenge and vivid fall color, and we recount some of the most harrowing crashes on this stretch.
Few things are more wondrous than the gift of flight, but some birds have chosen to give it up – the question is, why? Whether it is to save energy, tap into new food resources, or invest in other skills, they all have their reasons.
To many, the wolverine is the stuff of movie superheroes, but they are some of the toughest, strongest, and most mysterious animals around. Following one wild family reveals a few of their closely guarded secrets.
