Science & Technology

Dr. Susan Kelleher owns and operates one of the busiest exotic animal care practices in South Florida.

Award-winning pool designer Lucas Congdon and his Lucas Lagoons crew create breathtaking outdoor living spaces. They tackle crazy challenges in the quest to build natural wonders in everyday backyards.

The U.S. pet overweight and obesity rate for dogs and cats is more than 50%. In the new series "My Big Fat Pet Makeover," pet expert and trainer Travis Brorsen begins a four-month long weight-loss and behavior modification journey with pet owners and their overweight animals.

Spanning thousands of acres and incorporating hundreds of species of animals, Michelle Oakleyâs veterinary practice is Yukon tough. House calls range from expelling dogs anal glands to getting chased down by Artic Muskox. Michelle juggles being a full time Veterinarian, wife and doctor while taking us into unexplored regions of the Yukon.

Documenting the antics of venomous snake handlers, Simon Keys and Siouxsie Gillett.

Join biologist and extreme angler Jeremy Wade, as he catches the extraordinary and supersized fish that lurk in our planet's rivers and lakes.

Tanked follows the largest aquarium manufacturing company in the US, run by Wayde King & Brett Raymer. Watch them create the most outrageous tanks for some of the most striking fish and clients.

Starring the inquisitive and funny preschooler Sid, the episodes feature a practical in-school science curriculum, using music and humor to celebrate children’s natural curiosity about science in everyday life. With each topic, Sid finds answers in familiar places – at home with his parents, with his teacher and friends at school, and in the car with Grandma. Through their adventures, Sid and his friends introduce children to scientific themes like measurement, change, the five senses, simple machines and health.

Two survivalists – one a military-trained expert, the other a self-trained naturalist – take on some of the planet's most unforgiving terrain to demonstrate – in their own way – how the right skills and some creative thinking can keep you alive.

Fishing is a hard life, and harder with bluefin stocks depleted. In Gloucester, Massachusetts, there's a special breed of fishermen. For generations they've used rod and reel to catch the elusive bluefin tuna. They depend on these fish for their livelihood, and the competition is brutal.

Filmmaker and photographer Bertie Gregory documents incredible wildlife encounters in British Columbia, South Georgia Island and other locations.

Bear Grylls has served with the British Special forces, climbed Everest, and explored the Arctic. He shows viewers how to survive the toughest and most remote environments on the planet by putting himself in the position of a stranded tourist.

An American reality television show that follows homicide detective units in various cities across the United States.

Adventurer and survivalist Bear Grylls will take an A-list celebrity into the wildest and most remote locations around the world for the weekend journey of a lifetime. Their limits will be tested in high-octane, action-packed physical challenges as they jump out of helicopters onto the cliffs of Utah or swim with sharks in the waters of Panama. All the while, they'll endure the harshest elements in this epic excursion of empowerment. And if they want to sustain their bodies and minds, they'll have to forage

From the forensics labs at the Smithsonian Institution to the ATF bomb laboratory and the Armed Forces Institute of Pathology, The New Detectives profiles the work of world-renowned forensics experts and criminal investigators and the techniques they use to solve murders and other crimes.

Drain the Ocean pulls the plug on the ocean to reveal hidden secrets and lost worlds, using groundbreaking technology, breathtaking photography and insight from top marine archaeologists. Explore new insights into the epic history of human civilization and the deep history of Planet Earth itself, exposing sunken cities, shipwrecks and the amazing natural wonders of the deep.

A group of the best survival experts in the world take on an un-survivable situation: 40 days. 40 nights. No food, water or clothes. To survive they’ll need to master the environment, pushing far beyond the breaking point. Will even one be able to finish?

No food, no water, no shelter. Survivorman Les Stroud must rely on his years of training, raw instincts and sheer will to survive alone for seven days in the world's harshest environments with little more than a multitool.

Some images caught by satellites in space defy explanation: massive tsunamis that disappear, a sinister blood-red lake in war-torn Baghdad and a whirlpool in the ocean the size of a state asking experts, analysing the sites on the ground 'What on Earth'

America's National Parks are world famous and their breathtaking landscapes fascinate millions of visitors. This spectacular series will show you what happens beyond the lookouts.

An eight-part original docuseries following some of the last Alaskans allowed to live within the 19 million acres of the Arctic National Wildlife Refuge - one of the most remote places in the country.

From the coast of America to the exotic beaches around the world, the number of reported shark attacks has increased in the last half century. Many attacks are appearing in new and surprising places.

Dog Whisperer follows Cesar Millan, renowned dog behavior expert, as he goes directly into the homes of dog owners - without any prior information about the dog's case - and documents the remarkable transformations that take place under Cesar's calm, assertive guidance.

Led by NBC News meteorologist and "TODAY" contributor Dylan Dreyer, "Journey with Dylan Dreyer" is a wondrous celebration of nature. Breathtaking cinematography will bring viewers up-close and personal with animals, from the black bears of Montana to polar bears in the Arctic. The audience will have a unique platform to see animals in their natural habitat, including exploring the extraordinary migration of 1.5 million animals traveling over 500 miles across the Serengeti in Tanzania and Kenya.

Buckeye and his canine companion, Kevin, deliver lifesaving treatment to Hawaii's sick animals.

Science and pop culture collide when renowned astrophysicist Neil deGrasse Tyson hosts celebrities, scientists and comedians on National Geographic’s first ever late-night talk series.

With nearly 6,000 veterinary cases and well over 100 births each year, the team at the Columbus Zoo has no shortage of incredible drama.

Follow people who left the modern world to live where they survive on what they can produce with their own two hands.

Just 60 miles from the Arctic Circle lies a town on the edge of civilization: Tanana, Alaska. This frozen village of 200 is part of an unknown in America where men hunt and trap to survive, existing like modern day cavemen. Follow these Yukon Men as they struggle to find food and heat and battle life-threatening predators just to survive.

Russia is home to an extraordinary array of cultures, climates and wildlife.

Explore the dramatic landscapes of the great frontier and the wildlife that continues to thrive in America’s heartland.

In this survival masterclass, extreme adventurer Hazen Audel relives his most thrilling, most agonizing and most disgusting moments and reveals what it takes to become a Primal Survivor.

Let's explore amazing life cycles in naure. What the changing of the seasons, the hibernation of the bear during winter or the development stages of the butterfly.

In Curse of the Frozen Gold, an expert treasure hunter and a team of trained outdoorsmen test their skills and their sanity in the search of the ultimate prize. They could return home rich - or they could not return home at all.

In Alaska's Grizzly Gauntlet, survival expert Les Stroud explores the world of Alaska's most formidable wildlife and uncovers the secrets to their survival in America's final frontier.

Some of the greatest natural spectacles in the world are animals on the move. On land, in the air and at sea, many animals must migrate to survive. We’ll follow the dramatic life and death stories of one species of animal at a time as great herds and flocks move as one to find food, mate, or escape weather that could kill them.

Home to the tallest trees on earth, the last of America’s big glaciers, and a string of towering volcanoes, America’s Pacific Northwest is one of the nation’s most intriguing and mesmerizing natural wonders. In this five-part series, discover the epic meeting of land and sea that attracts some of the biggest marine life on the planet, traverse the Redwood forest—home to an incredible diversity of animals and the tallest living beings on earth, and trek the iconic Rocky Mountains where wildlife thrives despite the harsh climate and steep elevation.

Biologist Zeb Hogan takes you on expeditions to find and research the world's largest freshwater fish.

Dr Beale and his team of experts handle critical treatments of all kinds around the clock.

Highlighting both the controversial whaling trade and the tactics that Sea Shepherd and its staff and volunteers use to attempt to cripple it, Whale Wars documents the group's three-month sojourn across the icy Antarctic waters at the far end of the globe.

World-renowned cinematographers and a complex network of cameras capture the greater Yellowstone ecosystem and its wildlife in real time.

The extraordinary story of Earth and why it is special and uniquely brimming with life among a largely unknown but harsh cosmic arena; astronauts tell the story of Earth through unique perspectives.

Host Howie Mandel presents the internet's funniest videos of animals doing amazing, adorable and hilarious things; animal experts join the fun to provide professional insights into the real behavior and science behind the animal antics.

Our biggest state harbors some America's deadliest animal killers. Alaska's deadliest thrive in one of America's last wild frontiers.

This is the story of Hitler's attempts to liquidate the Russian people and gain living space for his superior Aryan race. All the way to the gates of Moscow and back to the heart of Berlin, this is a conflict of annihilation culminating in the collapse of the Third Reich. The series reveals the cunning strategy, military technology and defensive megastructures deployed in this devastating war of brutality between giants.