Résultats Éditeur "HarperAudio" dans Science et technologie

Twelve-year-old Donn Fendler steps away from his Boy Scout troop for only a minute, but in the foggy mountains of Maine, a minute is all it takes. After hours of trying to find his way back, a nervous and tired Donn falls down an embankment, making it impossible for him to be found. One sleepless night goes by, followed by a second...and before Donn knows it, almost two weeks have passed, leaving him starving, scared, and delirious.

With three hearts and blue blood, its gelatinous body unconstrained by jointed limbs or gravity, the octopus seems to be an alien, an inhabitant of another world. It’s baggy, boneless body sprouts eight arms covered with thousands of suckers—suckers that can taste as well as feel. The octopus also has the powers of a superhero: it can shape-shift, change color, squirt ink, pour itself through the tiniest of openings, or jet away through the sea faster than a swimmer can follow.

Think you know about dinosaurs? Think again! New York Times best-selling and award-winning author Steve Brusatte brings young scientists and listeners everywhere into his world of massive herbivores and fearsome predators, daily unexpected discoveries, and all the new science used to learn about some of the world’s oldest beings.

This edition of Margot Lee Shetterly’s acclaimed book is perfect for young students. It's the powerful story of four African-American female mathematicians at NASA who helped achieve some of the greatest moments in our space program. Before John Glenn orbited the earth, or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known as “human computers” used pencils, slide rules, and adding machines to calculate the numbers that would launch rockets, and astronauts, into space.

Mary Anning grew up on the south coast of England in a region rich in fossils. As teenagers, she and her brother Joseph discovered England’s first complete ichthyosaur. Poor and uneducated, Anning would become one of the most celebrated paleontologists ever, though in her time she supported herself selling by fossils and received little formal recognition. Her findings helped shape scientific thinking about extinction and prehistoric life long before Darwin published his famous work on evolution.

This is the story of the first six months in the life of a baby bottle-nosed dolphin. You will see what dolphins eat, and how they protect themselves from sharks, killer whales, and other enemies. Learn about these intelligent mammals who live under the waves.

With exclusive access to Elon, his family, and his friends, this book traces Elon's journey from a kid in South Africa to a young man in the United States, his dramatic technical inventions, and his world-changing companies. Elon has sparked new levels of innovation in the world, and this book gives young listeners a detailed but fast-paced look at his story.

Asteroids bombard our atmosphere all the time. Some are harmless, burning up in a flash of light. But others explode with a great sonic boom, smashing windows and throwing people to the ground. Worst of all, some asteroids strike our planet, blasting out massive craters and destroying everything nearby on impact.

In 1841, a quiet, curious boy who stuttered when nervous committed to becoming a surgeon—a profession then more feared than respected. Through study, persistence, and careful research, Joseph Lister proved that unsanitary conditions contribute to infections. Despite others scoffing at his ideas, Lister slowly changed the way all surgeons work, saving countless lives.

On Isle Royale, a unique national park more than fifty miles from the Michigan shore and about fifteen miles from Minnesota, a thrilling drama is unfolding between wolves and moose, the island’s ultimate predator and prey. For over sixty years, in what has been known as the longest study of predator and prey in the world, scientists have studied the wolves and moose of Isle Royale and the island’s ecology to observe and investigate wildlife populations.

July 20, 1969. It’s a day that has earned a spot in history. It’s the day that America was the first nation to succeed in sending two astronauts - Buzz Aldrin and Neil Armstrong - to the moon. But what led to this unforgettable event? What were the stakes riding on the Apollo 11’s safe landing? In acclaimed author Douglas Brinkley’s first young readers' edition, space fans will get the riveting and factual backstory of arguably the most significant achievement of the 20th century.

Dive deep into a world of fascinating weather with everyone's favorite meteorologist, Al Roker! With this mesmerizing book that covers a wide range of topics, listeners will learn about the conditions that generate unique weather occurrences like red sprites, thundersnow, and fogsicles. Surprising facts will hook children and adults alike as they uncover the mysteries of extreme weather - some they never even knew existed!

A star-studded group of award-winning nonfiction authors and journalists provides something for every listener, all aligned with the Common Core State Standards. Compiled and edited by real-life literature legend Jon Scieszka, Guys Read: True Stories is a mind-blowing collection of essays, biographies, travelogues, and more, all proving that the truth is most definitely out there.

With bodies home to hollow bones and weighing about the same as a handful of sand, Arctic terns are designed for flight. And fly they do. These remarkable animals migrate an astonishing 18,000 miles—from pole to pole and back again—each year. Along the way they encounter danger, weather, other migratory animals, and a wide range of ecosystems and habitats. Because they chase the sun, ornithologists speculate that the Arctic tern enjoys more hours of daylight than any other animal on Earth.

Celebrating the power of curiosity and the rewards of tenacity, this engaging biography introduces young readers to the field of genetics. As a rare female botanist in early twentieth-century America, Barbara McClintock never let other people’s notions of what was proper slow her down. When she faced doubting colleagues and unsupportive institutions, she drove across the United States, climbed through windows, and even slept in her laboratory to conduct her research. In so doing, she helped pave the way for future scientific discoveries that can cure diseases and save lives.