The complexity of atoms, for kids, is made super simple in this issue, which traces them from their smallest components – quarks – through how they become elements, and delves into how the transfer of energy between atoms generates pretty much everything in existence. Learn More

Take the sting out of studying bees with this issue, which, among other things, debunks the “killer bee” myth and investigates the busy life cycle of bees. For kids who like honeybees, this issue is super sweet! Learn More

Birds, for kids who want to learn more about our feathered friends, is essential reading. They’ll get up close and personal with birds of all persuasions, plus get the lowdown on their habits, diet, evolution, and more. Learn More

Get the full story on these movie stars of the insect world, including info on metamorphosis, for kids who want to learn more about these appealing – and deceptively delicate-looking – marvels of Nature. Learn More

Cells, for kids, lays out all the basic facts about these microscopic structures out of which our bodies are made, covering everything from their internal “organs” to the way they determine every single human characteristic. Learn More

Chemistry is cool! The basics of simple chemistry, for kids, star in this issue, which zeroes in on the chemical reactions that power all life and explores how it is found in penicillin, plastic, and more. Learn More

In this issue, the climate, for kids, is explained with special emphasis on how humans affect it – and how animals have adapted to it. Learn More

Conservation for kids is explained using thought-provoking examples of how humans impact the earth, followed by tips on how to protect our environment. Learn More

This issue explains ecology for kids with charts that show how the food chain works and a discussion of Earth’s 10 “biomes”, and will generate lively discussions with facts about our “ecological footprint”. Learn More

Geography, for kids interested in the natural sciences, will take them through how the Earth’s varied landscape is measured and mapped, as well as show them how geography and civilization are intimately connected. Learn More

Eww! Why is this issue covered in germs? For kids fixated on the germy, squirmy invisible world, Germs will be just what they need: a dose of history, told through the way that diseases have shaped human lives and civilizations, followed by an inspection of ways that we can protect ourselves against these micro invaders. Learn More

Go ape over Gorillas! For kids fascinated by primates, this issue -- covering their habits, communication skills, anatomy, and more – will give them all the knowledge they need to understand this peaceful forest dweller. Learn More

The last Ice Age, for kids, is investigated in fine detail here. Find out what caused it, what relics of it have appeared in modern times, and what the world was like for Ice Age mammals – including humans. Learn More

Scientists say that whales’ lungs weigh a ton – or is that just a lot of hot air? It’s true! In Lungs; for kids who want all the facts on this impressive organ, they’ll find out how lungs work, how they allow us to talk, and what happens if you don’t take care of them. Learn More

The composition and properties of matter, for kids, get a clear and engaging treatment in this issue, which covers matter’s elemental units, how it changes states, physical vs. chemical changes, and how it combines to form everything on Earth. Learn More

Explore the history of healing and surgery, along with its earliest practitioners, and read about the fascinating birth of modern medicine. For kids who want to be doctors, this issue is a great place to start. Learn More

Make way for microbes! For kids who want all the squirmy details about the invisible creatures that make us sick (but mostly keep us alive), this issue delivers; from microbes’ many positive uses to the sometimes-destructive path they’ve made through history, it’s all here. Learn More

Fill ‘er up! With healthy food, that is. The elements of good nutrition, for kids, are featured here, with a focus on which foods provide the best fuel, the role of vitamins, and how the digestive process works. Learn More

Seeking more info on the fascinating world of plants? For kids eager to learn more about these key components in the food chain, Plants provides a comprehensive introduction to the way they grow, reproduce, and are central to all facets of human life. Learn More

Who will save our rain forests? Kids will, that’s who! They will be energized into action by the facts and figures found in this issue, which covers the glorious diversity of our rain forests, as well as sobering statistics about their ongoing destruction. Learn More

Rain forests, for kids, are explored in all their wonder and beauty, along with the valuable products that are produced by them and the amazing variety of people who call them home. Learn More

Almost no other human characteristic compels as much attention as skin – and the rainbow of colors it comes in; Skin, for kids, surveys this remarkable organ from top to bottom, highlighting key points about everything from its structure to its almost-miraculous ability to heal itself. Learn More

Spiders, for kids who want to learn more about this incredible species, promises to satisfy their curiosity with tons of info on how they breed, catch their prey, spin their webs, and why they feature so prominently in myth and art. Learn More

From its chemical composition to its varied uses – and abuses – water for kids is made understandable with sections on the water cycle, its many forms, and how animals have adapted to it. Learn More