Ergebnis für "Sharks" in Wissenschaft & Technik

We have a perennial fascination with sharks. Portrayed in the media and popular culture as killing machines, we are awed by their power and strength. But the shark is so much more—a marvel of the sea, they have evolved over 450 million years into more than 500 species, from the bioluminescent kitefin to the tiny dwarf lantern shark, the sociable lemon shark to the cow shark, which can birth up to 100 pups in one litter. Bringing balance to the ocean’s ecosystem, our planet is at serious risk when these amazing creatures are threatened.

John Long, who for decades has been on the cutting edge of shark research, weaves a thrilling story of sharks' unparalleled reign. The Secret History of Sharks showcases the global search to discover sharks' largely unknown evolution, led by Long and dozens of other extraordinary scientists.

Did you know that a whale shark’s spots are as unique as a fingerprint? Or that sharks can go into a trance when flipped upside down? Or that the Megallodon’s mouth was 6 feet across? With The Shark Handbook, jump into brand new facts about these fierce sea creatures! Learn about over 400 profiles of every shark in existence, from the first sharks living about 445 million years ago to the ones lurking in the ocean deep today.

In this remarkable, groundbreaking audiobook, a documentarian and conservationist, determined to dispel misplaced fear and correct common misconceptions, explores in-depth the secret lives of sharks - magnificent creatures who play an integral part in maintaining the health of the world’s oceans and ultimately the planet.

Sharks have been on this planet for over 400 million years, so there is a lot they can teach us about survival and adaptability. For example: how do sharks, which unlike other fish are denser than water, stay afloat? They keep moving. When Jasmin Graham, an award-winning young shark scientist, started to feel that the traditional path to becoming a marine biologist was pulling her under, she remembered this important lesson: keep moving forward.

"Sharks: The Apex Predators" is a six-part series that delves into the fascinating world of sharks, exploring their evolutionary history, diverse species, unique behaviors, and critical role in marine ecosystems. From the intricacies of their hunting techniques to the significant threats they face from human activities, this series highlights both the remarkable adaptations of these apex predators and the urgent need for their conservation. Each episode provides a comprehensive look at different aspects of shark life, aiming to educate and inspire efforts to protect these vital creatures for ...

Sharks are some of the most fascinating and ecologically important, yet most threatened and misunderstood animals on Earth. More often feared than revered, their role as predators of the deep has earned them a reputation as a major threat to humans. But the truth is that sharks are not a danger to us—they’re in danger from us. In Why Sharks Matter, marine conservation biologist Dr. David Shiffman urges us to overcome our misconceptions and embrace sharks as the imperiled and elegant ocean guardians they really are.

Sharks have been fighting for their lives for 500 million years and are under dire threat today. They are the longest surviving vertebrate on Earth, outlasting multiple mass extinction events that decimated life on the planet. How did they thrive so long? By developing superpower-like abilities that allowed them to ascend to the top of the oceanic food chain. John Long, who has been on the cutting edge of shark research for decades, weaves a thrilling story of sharks’ unparalleled reign.

There's a silent epidemic in Western civilization, and it is right under our noses. Our jaws are getting smaller and our teeth crooked and crowded, creating not only aesthetic challenges but also difficulties with breathing. Sandra Kahn and Paul R. Ehrlich, a pioneering orthodontist and a world-renowned evolutionist, respectively, present the biological, dietary, and cultural changes that have driven us toward this major health challenge. They propose simple adjustments that can alleviate this developing crisis.

"Shark Week: The Podcast” with host Kasha Patel is your place for thrilling shark tales intertwined with science and research. Each week, we unearth captivating stories and dissect them with scientific rigor. Dive in and explore the mysteries of the ocean with your favorite apex predator. Watch Shark Week, hosted by John Cena, starting July 7th on Discovery Channel. Stream on Max. Hosted on Acast. See acast.com/privacy for more information.

Combining rich historical detail and a harrowing, pulse-pounding narrative, Close to Shore brilliantly re-creates the summer of 1916, when a rogue Great White shark attacked swimmers along the New Jersey shore, triggering mass hysteria and launching the most extensive shark hunt in history.

Drawing on more than three decades of experience writing about sharks and other marine animals, the bestselling author of Jaws combines high adventure with practical information in a book that is at once a thriller and a valuable guide to being safe in, on, under, and around the sea. “Shark attacks on human beings generate a tremendous amount of media coverage,” Benchley writes, “partly because they occur so rarely, but mostly, I think, because people are, and always have been, simultaneously intrigued and terrified by sharks.

From beloved, award-winning poet Aimee Nezhukumatathil comes a debut work of nonfiction - a collection of essays about the natural world, and the way its inhabitants can teach, support, and inspire us.

Molecular biologist Nicklas Brendborg takes us on a journey from farthest reaches of the globe to the most cutting-edge research to explore what nature has to teach us about longevity. From immortal lobsters, backwards-aging jellyfish and the centuries-old Greenland shark to the woman who successfully edited her own DNA in search of immortality, Jellyfish Age Backwards brings together everything the natural world and science have to offer on the mystery of ageing.

With its quaint villages, local restaurants serving up lobster rolls, and miles and miles of warm, sandy beaches, Cape Cod, Massachusetts, is famous for being America’s carefree seaside getaway. But in August 2012, the first confirmed shark attack in almost eighty years occurred in the region. As shark sightings quickly began to increase on Cape Cod and elsewhere and large beachside billboards warning about the growing shark population became a common sight, a boogie boarder died after being attacked by a great white shark in Cape Cod’s shallow waters.

NBC10 Boston has teamed up with the Atlantic White Shark Conservancy to bring you a series that explores the world of sharks in New England.

A deep water exploration of our planet's coolest predator. Tune in for wacky info about your favorite species of shark delivered by special celebrity guests.

In the great depths surrounding the Lofoten islands in Norway lives the infamous Greenland shark. At 26 feet in length and weighing more than a ton, it is truly a beast to behold. But the shark is not just known for its size alone: Its meat contains a toxin that, when consumed, has been known to make people drunk and hallucinatory.

Twenty meters below water, the oceanographer François Sarano came face to face with a five-and-a-half-meter great white shark. Seduced by the gentle elegance of this majestic creature, Sarano experienced a profound sense of affinity with her as they swam side by side, shoulder to shoulder, eye to eye, cutting a single figure through the ocean depths. It was an experience which made him realize the depth of our ignorance of the lives of sharks, leading him to become a passionate advocate for their protection.

For 20 years John Aitchison has been travelling the world to film wildlife for the BBC and other broadcasters, taking him to faraway places on every continent. The Shark and the Albatross is the story of these journeys of discovery, of his encounters with animals and occasional enterprising individuals in remote and sometimes dangerous places.