Science & Technology

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.

How It’s Made shows viewers how many of the everyday objects we seldom stop to think about become the things they are. Viewers will be amazed to see the process of how many common items are manufactured in high-tech factories around the world.

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

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.

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'

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.

From the beginning of time, Stars, Galaxies, Planets, Solar Systems, and more have been working individually and together to produce all that is and all that we see. Take a deeper look at how the cosmos is designed, built, and actually works on How The Universe Works.

Life Below Zero follows seven people living at the ends of the world's loneliest roads and subsisting off the rugged Alaskan bush. Only the mentally fit will be able to endure the extreme test of isolation and endless work required to survive the many months of winter in Alaska.

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?

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.

From our humble planet to the most awesome celestial bodies, immerse yourself in this spectacular exploration of our universe.

Earth views from the International Space Station

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.

Treehouse Masters will have you climbing to a majestic world up in the treetops with visionary and tree whisperer Pete Nelson as he designs private escapes for those with a passion to reconnect with nature and awaken their inner child.

At the Emergency Veterinary Trauma Center in Toronto, one of the busiest animal care facilities in Canada, veterinary professionals work together tirelessly to save the lives of animals in need of urgent medical care.

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.

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.

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.

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.

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.

MYTHBUSTERS JR. gives America's best and brightest 8- to 14-year-olds a chance to show the whole nation what they know. Combined with the mythbusting DNA of the original series and adding elements of THE SEARCH, this is a format where kids show off their ingenuity and STEM superskills.

Dr. Craig O'Connell goes to the Bass Strait for sawsharks; Victoria Elena Vasquez and Dr. David Ebert go into deep water in Tokyo Bay to find the goblin shark; they also find ghost sharks, frilled sharks, and the amazing luminescent lantern shark.

Jack ventures into the remote Northern Territory in Australia where he dives into crocodile-infested swamps, reaches into giant lizards' burrows and crawls through dark, cramped caves to find six dangerous pythons.

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.

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.

From high-speed attacks to pack hunts, sharks have evolved to hunt in extraordinary ways; scientists and film makers capture five of the world's great feeding events for sharks.

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.

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.

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.

In 1997, tourists in San Francisco witness a killer whale attacking a great white shark, capturing the incident on tape; now, experts make new discoveries about the killer whale's taste for shark meat.

Skyscrapers loom overhead, taxis honk their horns and street vendors shout as they peddle their wares. But the buzz of the city above is nothing compared to the powerful pull of the past and the amazing secrets simmering just beneath one's feet! We travelled hundreds of feet beneath the pavement to reveal hidden worlds that literally make up the foundations of today's greatest cities.

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.

An exploration of engineering marvels.

Could geologic events in Hawaii wipe out LA? Could another volcanic eruption shut down our airways? Biologist Liz Bonin and Geologist Martin Pepper travel to tropical paradises, remote glaciers and super volcanoes to reveal evidence of past catastrophic events and investigate the dangers that lie just below the Earth's surface.

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

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.

Lion, jackal and cheetah cubs and baby hyenas and meerkat pups are followed as they grow up; filmed from the babies' point of view, the series tells the story of the babies' first steps and reveals all the tension and stress their parents experience.

For a puppy, it’s a big, brand-new world out there, full of obstacles, setbacks and amazing new experiences. And every new challenge is an opportunity for an ahh-inspiring, uproarious misadventure. Using comical user-generated clips, professional footage and fascinating factoids about puppy development, this endearing, hilarious, and informative new show highlights puppies trying to do the simplest tasks – drink water, climb stairs, escape the clutches of a toddler – all with varying degrees of success. Because when you’re a puppy, it’s you vs. the world.

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.

What's it like to leave earth to explore the unknown? How does it feel to be in space? What happens when you're in space and something goes terribly wrong? SECRET SPACE ESCAPES reveals terrifying accidents, fights for survival, and stories of close calls and near misses by the astronauts who survived them.

The stories of the exotic animals and the people who care for them at the Dublin Zoo.

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

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.

Marine biologist Craig O'Connell tries to find out how close sharks really are to New York now that seals are back in New York Harbor, and shows what a future with great whites in New York will look like.