You wouldn't want to live without
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5 stars
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Uses humor in both text and illustrations to describe what it would be like to live without clean water and describes how people access water and the importance of making sure that water is not polluted or wasted.
"Describes what life would be like without clean water"--
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Average Rating:
5 stars
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Though most of them are too small to be seen with the naked eye, bacteria are everywhere. They appeared on Earth more than 3 billion years before the first dinosaurs. Some bacteria cause deadly diseases, but many of them are helpful to us. They fertilize the soil by breaking down dead material, and they are an essential ingredient in many foods. Bacteria in our own bodies are a vital part of the digestive process.--from page 2 of cover.
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Looks at how dental problems were taken care of in past centuries, and describes what dentists do and how to care for teeth.
Today, going to the dentist is usually a safe and painless experience. In past centuries, that wasn't always the case. Read and learn how lucky we are to live in modern times.
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Average Rating:
3.3 stars
Description:
Looks at how the planet would be different if weather extremes did not exist, describing how certain plants thrive in extreme temperatures and how warmer weather in the Arctic and Antarctic would melt ice caps and raise sea levels.
Discusses how weather has shaped the world we live in, and how humans have learned to live in almost every climate that can be found on Earth. --
11. You wouldn't want to live without insects!
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Average Rating:
5 stars
Description:
Presents a brief history of vaccination, describes how and why it works, and looks at some of the deadly diseases vaccines have saved people from.
"Sticking sharp needles into small children doesn't sound like a nice thing to do -- but sometimes you have to 'be cruel to be kind.' Since the 18th century, vaccinations have saved millions of people from deadly diseases. In the future, as new techniques are invented, we might even be able to give vaccines...
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Average Rating:
4 stars
Description:
Besides being gross, what is the point of boogers and mucus? Read all about how these slimy substances help us digest our food and prevent us from becoming sick. You'll also find out just what this sticky stuff is made of, why we produce more of it when we've got a cold, and what animals like slugs and snail do with their mucus!
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Average Rating:
3 stars
Description:
Examines some of the many items made of plastic, what plastic itself is made from, and who invented the first plastics.
"How would you know what time it was without clocks? How would you buy things without money? It's hard to imagine what life would be like today without the inventions and discoveries that we take for granted, from the humble bar of soap to the fantastic complexity of the Internet. Combining history with science, this series explains...
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Traces the development of the Internet, explains how it works, and looks at how people communicated and got information before the Internet existed.
"How would you know what time it was without clocks? How would you buy things without money? It's hard to imagine what life would be like today without the inventions and discoveries that we take for granted, from the humble bar of soap to the fantastic complexity of the Internet. Combining history with...
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Description:
Examines why writing is so important, how people communicated before developing the ability to read and write, and how writing was born and evolved.
"How would you know what time it was without clocks? How would you buy things without money? It's hard to imagine what life would be like today without the inventions and discoveries that we take for granted, from the humble bar of soap to the fantastic complexity of the Internet. Combining history with...