Títulos en Ciencia y tecnología

How do astronauts prepare for their missions in space? What recent discoveries and innovations have changed how astronauts train? With a focus on STEM, fascinating sidebars, and up-to-date facts, this book delves deep into the world of astronaut training.

Take a deep look into some of the most mysterious objects in the universe - black holes. Listeners will explore the most up-to-date information available and be encouraged think critically about space discoveries in this STEM-focused title!

Ernest Everett Just was not like other scientists of his time. He saw the whole, where others saw only parts. He noticed details others failed to see. He persisted in his research despite the discrimination and limitations imposed on him as an African American. His keen observations of sea creatures revealed new insights about egg cells and the origins of life.

Top-selling science author Sandra Markle presents the story of whale sharks - the largest fish on the planet. Facing threats from commercial fishing as well as climate change, they were categorized as endangered in 2016. Find out how scientists are working to study and protect these gentle giants of the ocean.

In the dark, Kristofer Helgen and a group of scientists peered up into the treetops of the Ecuadorian cloud forest. Staring back at them was a furry, four-legged creature. Could it be the mysterious, wild olinguito? Helgen had been studying the olingo, a relative of raccoons, for years. As he examined their pelts and skulls in museums, he noticed differences in a few. Through scientific investigating, he realized the different examples weren't olingos at all - he had discovered a completely new species.

When Tantoh Nforba was a child, his fellow students mocked him for his interest in gardening. Today he's an environmental hero, bringing clean water and bountiful gardens to the central African nation of Cameroon. Authors Miranda Paul and Baptiste Paul share Farmer Tantoh's inspiring story.

In 2007 only 30 Amur leopards remained in the wild. Scientists knew they needed to do more to help these big cats. However, details of the leopards' wild lives in their high-altitude forest home were still a mystery. With the help of new technology and the cooperation of scientists and governments around the world, people have learned more than ever before about these rare cats. An innovative plan is under way to give Amur leopards a more secure future. Can these cats rebound from the brink before it's too late?

Southern white rhinos are in trouble. For years, a rumor has been spreading that their horns can be used to cure cancer, and poachers have been targeting these gentle creatures. Sandra Markle takes listeners behind the scenes to see how civilians, volunteer organizations, and African governments are working together to protect rhinos.

African penguins waddle around nesting colonies in lower numbers than ever before. Despite South African government efforts to protect the penguin colonies and their ocean fish supply, young penguins still struggle to survive. Fuzzy chicks waiting for food in open nests may overheat in the sun or become prey. Others simply may not get enough food to survive on their own once their parents leave.

Take a voyage to the red planet! This book presents cutting-edge information about travelling to Mars and dives into related STEM topics will thrill readers interested in Earth's most famous planetary neighbor!

Little brown bats do us a big favor. They eat huge numbers of insects! That helps limit the spread of diseases and the damage that insects do to farm crops. But in recent years, large populations of little brown bats have been dying off each winter. Is a virus killing them? Could climate change or pesticides be the cause? Or is it something else? Follow a team of dedicated scientists working to save the little brown bats in this real-life science mystery.

What facial features do you have? Freckles are a common feature. So are turned-up noses and unattached earlobes. What determines your facial features? Read this book to find out about how your genes affect your physical features.

A furry dog. A scaly lizard. Your sense of touch lets you feel these things and more. But how does your sense of touch work? And how does it help you? Listen to this book to find out! Learn all about your five senses in the Your Amazing Senses series - part of the Lightning Bolt Books™ collection.

The sweet smell of roses. The rotten smell of garbage. Your nose lets you smell these scents and more. But how does your nose work? And how does your sense of smell help you? Listen to this book to find out! Learn all about your five senses in the Your Amazing Senses series - part of the Lightning Bolt Books™ collection.

What color are your eyes? Brown is the most common color. But some people have blue, green, gray, hazel, or amber eyes. What determines your eye color? Listen to this book to find out about how your genes affect your physical features.

How does a robin know when to feed her chicks? Who teaches young otters how to swim? Join Ms. McLean's class on a field trip to the zoo to find out! They're keeping track of patterns in animal behavior by observing different species and recording what they see. Learn to watch for the behavior patterns of wildlife in your backyard!

Water is essential to life on our planet. Water is constantly moving between Earth's surface, the air, and the ground. But did you know that water cannot be created or destroyed? Or that water is not only a liquid but also a solid and a gas? Learn about the water cycle in this fascinating book.

Ring-tailed lemurs have bushy, striped tails. Newborn lemurs hold onto their mothers' bellies. Within a few weeks, they learn to walk and climb. Baby lemurs climb trees to find food and sleep. How do baby lemurs grow and change? Listen to this book to find out.

Flowering plants, cone-bearing plants, ferns, and mosses make up the four main plant groups. But did you know that each of these groups has a different life cycle? Or that some plants reproduce with seeds and others reproduce with spores? This fascinating book investigates the life cycles of each of the four main plant groups.

Honeybees are a crucial part of our food chain. As they gather nectar from flowers to make sweet honey, these bees also play an important role in pollination, helping some plants produce fruit. But large numbers of honeybees are disappearing every year...and no one knows why. Is a fungus killing them? Could a poor diet be the cause? What about changes to bees' natural habitat? In this real-life science mystery, scientists and beekeepers are working to answer these questions...and save the world's honeybees before it's too late.