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About Rebecca E. Hirsch
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--Booklist, starred review
Apples, blueberries, peppers, cucumbers, coffee, and vanilla. Do you like to eat and drink? Then you might want to thank a bee.
Bees pollinate 75 percent of the fruits, vegetables, and nuts grown in the United States. Around the world, bees pollinate $24 billion worth of crops each year. Without bees, humans would face a drastically reduced diet. We need bees to grow the foods that keep us healthy.
But numbers of bees are falling, and that has scientists alarmed. What's causing the decline? Diseases, pesticides, climate change, and loss of habitat are all threatening bee populations. Some bee species are teetering on the brink of extinction.
"Accessible and concise" (Kirkus), this book will teach you about the many bee species on Earth -- their nests, their colonies, their life cycles, and their vital connection to flowering plants. Most importantly, you'll discover what you can do to help.
"If we had to try and do what bees do on a daily basis, if we had to come out here and hand pollinate all of our native plants and our agricultural plants, there is physically no way we could do it. . . . Our best bet is to conserve our native bees." --ecologist Rebecca Irwin, North Carolina State University
In the twenty-first century, because of climate change and other human activities, many animal species have become extinct, and many others are at risk of extinction. Once they are gone, we cannot bring them back—or can we?
With techniques such as cloning, scientists want to reverse extinction and return lost species to the wild. Some scientists want to create clones of recently extinct animals, while others want to make new hybrid animals.
Many people are opposed to de-extinction. Some critics say that the work diverts attention from efforts to save species that are endangered. Others say that de-extinction amounts to scientists "playing God." Explore the pros and cons of de-extinction and the cutting-edge science that makes it possible.
Do plants really move? Absolutely! You might be surprised by all ways plants can move. Plants might not pick up their roots and walk away, but they definitely don't sit still! Discover the many ways plants (and their seeds) move. Whether it's a sunflower, a Venus flytrap, or an exotic plant like an exploding cucumber, this fascinating picture book shows just how excitingly active plants really are.
Explore outer space through interactive augmented reality experiences!
Did you know that more than forty spacecraft have explored Venus? Or that some astronomers think an unknown planet might be awaiting discovery beyond Pluto? Find out the latest discoveries in planetary science with augmented reality that brings space alive.
In the history of life on this planet, 99.9 percent of all species have gone extinct. But a few have survived almost unchanged. Author Rebecca E. Hirsch introduces readers to six living fossils, including the chambered nautilus, the horseshoe crab with its sticky blue blood, and venomous platypuses that sting, as well as a comprehensive explanation of evolution and extinction for readers who may not be familiar with the terms yet. Readers will also discover a a spectacular timeline of the history of animal life on Earth. Dive into the stories of these incredible animals and find out how they help scientists piece together evolutionary history.
What's so great about Arizona? Find out the top ten sites to see or things to do in the Grand Canyon State! We'll explore Arizona's vibrant cities, stunning rock formations, exciting rodeos, and rich history. The Arizona by Map feature shows where you'll find all the places covered in the book. A special section provides quick state facts such as the state motto, capital, population, animals, foods, and more. Take a fun-filled tour of all there is to discover in Arizona.
Around the world, from US coastal towns to island nations of the Pacific and the deserts of Africa, people are in danger of losing their homes. Some have already fled. Others know they are running out of time. By 2050, at least 25 million people will be driven from their homes due to the effects of climate change.
Droughts, desertification, rising sea levels, melting permafrost, and severe storms are drastically redefining the planet's landscape and leaving many places unable to support human populations. Although developing nations are especially vulnerable to the impacts of extreme climate shifts, ultimately, people in wealthy countries will also be forced to migrate. Experts expect Americans to move from drought-ravaged California, sea-swept Florida, and numerous other vulnerable areas to crowd into the few remaining safe havens.
Humans cannot stop climate change altogether. Yet leaders can minimize the damage by curbing carbon dioxide emissions that contribute to climate change and by adapting communities to better withstand climate-related stresses. Even so, for many people, relocation is already a reality. How they adjust to their new homes—and how their new communities adjust to them—will set the stage for a future defined by a warming planet.
Trillions and trillions of microbial cells live on and inside your body. A small number of these microbes are unhealthy germs. But most belong on your body and perform essential jobs. Microbes help digest your food, protect you from dangerous germs, and help your body fight disease.
Using techniques such as DNA sequencing, scientists are uncovering the many secrets of the human microbiome. Scientists are learning how the foods we eat and the medicines we take, such as microbe-killing antibiotics, can affect the bugs in our bodies. They are learning more and more about this system that keeps us healthy and how we can protect it in return.
Join Garfield in exploring breakthroughs in engineering, from the first pyramids and plumbing to modern times and into the future, where one day people may be able to take vacations to the International Space Station. All along, Garfield adds his own hilarious comments on each breakthrough. Join in to laugh and learn!
Follow along with Garfield as he explores breakthroughs in technology, from the earliest stone tools to modern times, when silicon computer chips and GPS are commonplace. Al along, Garfield adds his own funny comments on each breakthrough. Join in to laugh and learn!
Come along with Garfield and explore breakthroughs in math, from the very beginning of numbers—when people counted on their fingers and toes—to modern times and into the future, when students may use video games to help them learn math concepts. All along, Garfield adds his own hilarious comments on each breakthrough. Join in to laugh and learn!
Come along with Garfield and explore breakthroughs in science, from the very beginning of astronomy—when people believed Earth was the center of the universe—to modern times and into the future, when scientists might create an invisibility cloak. All along, Garfield adds his own hilarious comments on each breakthrough. Join in to laugh and learn!