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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...
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Late in 2013, snowy owls started showing up in places no one expected to find them-including Florida. What had caused so many of these majestic birds to leave their Arctic home and fly to southern Canada and the United States? Scientists quickly began working to find out. Author Sandra Markle brings together firsthand reports from the scientists involved along with stunning photographs of the owls to explain this rare event, known as an irruption....
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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 creatures. Sandra Markle takes readers behind the scenes to see how civilians, volunteer organizations, and African governments are working together to protect rhinos.
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"A look at the plight of the golden lion tamarin for children."--
Traces the effort to save the golden lion tamarin, whose habitat was being destroyed by logging, by applying knowledge of their unique family structure to housing them appropriately in captivity before releasing them into the wild. --Publisher's description.
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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.
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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. But new conservation methods, including rescuing and...
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Readers will learn how scientists use camera-trap technology to study woolly monkeys in the Manu Biosphere Reserve. These camera traps helped scientists discover information about the woolly monkeys' diet, behavior, and habitat. Known as the rainforest's gardeners, their activities and behaviors are essential to the survival of the trees and animals in the rainforest. Scientists must learn more to save this keystone species and protect the rainforests....
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Acclaimed science author Sandra Markle offers a fascinating look at Gobi bears- the rarest bears on the planet. These adorable animals face threats ranging from illegal gold miners to climate change. Find out more about these bears, which are considered a national treasure in Mongolia, and learn what scientists are doing to help this critically endangered species.
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Where do inventors find inspiration? Sometimes they look to animals-which is known as bioinspiration! Author Sandra Markle presents twelve animal adaptations and the amazing technological advancements they've inspired. Readers get a fun peek at the creative process that led to the creation of inventions that help people stay safe, live more comfortably, and go places and do things that weren't previously possible. From dolphins and bats inspiring...
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Did you know that rats can be heroes? In the southern African nation of Mozambique, these amazing rats (which are the size of a small house cat) have helped clear landmines. And that's just one of the incredible stories in this book.
Award-winning author Sandra Markle has collected wonderful true stories about animals that have rescued humans-and other animals. With fabulous photographs of the featured animals, this book is sure to appeal to animal...
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Audisee® eBooks with Audio combine professional narration and sentence highlighting to engage reluctant readers!
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...
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"Every year in Namibia, about two thousand zebras suddenly disappear from their grazing area along the Chobe River. Months later, the herd returns. Where do they go? And why? Thanks to satellite-tracking collars, scientists were able to solve the mystery, but several questions remain. Award-winning science author Sandra Markle reveals the process scientists used to study the zebras, and she also delves into the science of migration, exploring how...
19) The Solar System
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The Solar System examines topics on earth and its surrounding planets, from the sun all the way out to Pluto. Detailed illustrations and clear charts help explain these complicated topics.
20) Plate Tectonics
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This essential volume explores the slow but mighty shifts that created the continents and that continue to shape modern landscapes. Readers will look at theories put forward through the ages to explain volcanoes and earthquakes, and they'll examine how geologists learned what we now understand about Earth's crust. In a world of constant movement, how do these ever-shifting plates affect our lives today? Photographs, diagrams, and sidebars help students...