• Animals - 82 bks.
• Archaeology - 3 bks.
• Biographies - 1 bks.
• Cutting Edge - 22 bks.
• Earth Science - 39 bks.

• Exploring your World - 34 bks.
• Health - 41 bks.
• Life Science - 20 bks.
• Math - 4 bks.
• Other - 60 bks.

• Space - 44 bks.
• Technology - 25 bks.
• World History - 1 bks.

Features include: A Baby Mammoth's 40,000-Year Journey; Making Movie Dragons; Raise the bridge; The Food Stylist's Art; A Day at the Aquarium

Addiction-- from cell phone overuse to heroin addiction-- is more a biological/behavioral problem than a moral or criminal one that involves poor decision-making alone.This month's …

A cyborg is a cybernetic organism, an organism that combines natural and artificial systems. People who have an insulin pump, glucose monitor, artificial heart, pacemaker, or a neu …

Features include: Inventing the Zipper; The Miracle Cure; Dr. Luke N. Fursumting, Archaeologist of the 41st Century; Great!-- But What Is It?; Play, Play Again; Wings for One.

Features include: Click and the Kids; The Great Acorn Mystery; Look Alikes?;Who's Been Here?;Water Detective; Yo Wants to Know;Is It An Insect?;Counting Gorillas;Beatrice Black Bea …

What is blood anyway? What does it do and what can go wrong with it? What do blood tests tell us about our health? How do we keep our blood supply safe? What is the fake stuff used …

Can it halt global warming? Stop a killer asteroid? Alleviate world hunger, thirst, cancer? A look at the problems facing our world, and the science and scientists who might solve …

Features include: Saving Endangered Species; The Mystery of the Large Blue; Stop Thief!; What You Can Do; The Race to Save the Frogs.

Features include: Do We See with Our Eyes or Our Brains?; Fool Your Senses; Gorilla? What Gorilla?; Alphabet Rainbow; How Do We Taste? A Cow Tastes Grass; Make Marvin Move!

Do you say "Sweeeeet" very slowly when you're describing something that is way beyond cool?The slang use of the word sweet captures perfectly how we all feel about all things that …

The various fossil species of humans have tongue-twisting names like Australopithecus Africanus. But when did early humans gain language themselves? With more than 20 species and s …

Features include: Click and the Kids;How We Use Fire; What Is Fire?; Here Come the Fire Trucks!; Fighting Fires- Without Fire Trucks; Yo Wants to Know; Firefighter Tom's Gear; Fire …

Features include: Click and the Kids; Dig It; Sand, Silt, and Clay; Getting Dirty; Yo Wants to Know; Dig Hole, Soft Mole; Down in the Dirt;

Why is blue, blue? Why does the color red make us hungry? The physics, chemistry, technology, and psychology of color.

In many instances, two is better than one, right? Copies are important in science, too. This issue introduces some of the techniques nature uses to create clones and twins, and mir …

Features include: Crazy for Color; Holi: A Festival of Colors; All the Colors of Black; Why is the Sky Blue?; Newton Discovers the Rainbow; Body Talk Beneath the Sea.

Humans have been thinking and talking about the possibility of having "neighbors" in the galaxy for thousands of years. Have you ever asked the question: Are we alone in the univer …

Features include: Dollars and Cents, It's a Deal, Spend or Save?, Minty Fresh Coins, A Bill's Life, Very Interest-ing

From bartering to banking, everyone uses something for exchange. As cattle and cowrie shells gave way to precious metals, which in turn were substituted by promissory notes, the co …

Features include: Scoops, Nestor's Dock, Ask Jimmy and the Bug, Marvin and Friends, Way Back to School, Why Practice, Lessons for Little Ones, Which Type of Learner Are You?, Bird …

Whether you're shooting the luge at the Winter Olympics or "catching big air" like the dirt biker on our cover, it takes a lot to be the best in an extreme sport. How does science …

Features include: Click and the Kids;Sheep Dogs on the Job; Herding with Hannah; What Do Farm Animals Say?;Yo Wants to Know; Got Milk?;Whose Eggs?; Beatrice's Goat;Heads and Tails. …

Features include: Notes from the Underground, Sniffing for Whales, Floating Gold, Dragon Spittle, Whale's Pearls, The Sweet Smell of Progress, Get Thee to a Tub! A Brief History of …

Features include: Click and the Kids; Waiting for Winter; Escaping Winter; Winter Survivors; Yo Wants to Know; Saving Food for Winter; Fall to Winter; Time to Sleep; Beatrice Black …

Features include: Click and the Kids;I Am Growing; What a Life!; Inside Eggs; Yo Wants to Know; what Do You Know?; When You Were Inside Mommy; Beatrice Black Bear.

What's your pet peeve? Psychologists are beginning to uncover the basis for annoyance-- an emotion we all experience many times each day.Learn about the different types of annoyanc …

How and why people have built things from the Wonders of the World to monster trucks.

Features include: How to Win the World Memory Championship, Gobekli Tepe: The World's First Templ?, Second Chance Zoo, Unforgettable

Features include: Summer, Winter, Spring, Fall...and Night?, Why Darkness Falls, That Spooky Night, At Home in the Dark, Moonlight, Glow in the Dark

Features include: The Mystery of the Frozen Man; Frozen Art; Making Ice; Diving Under the Ice; Cold Scientists.

Science is rarely linked to art, although no other discipline, except art, offers so much inherent or natural beauty. With today's imaging techniques, light microscopy can turn a h …

How does an island grow? Who lives on islands, and how do they get there? And what makes island animals so special? Find out when you take a trip to the islands with this month’s i …

In this issue,we explore everything to do with money, including the new "paper" money, digital money, filthy lucre, foiling counterfeiters, risk-taking, and the Stock Market. Just …

How our brains compute language; how language evolved; how we learn it; language disorders; simulating language (talking robots); animal communication.

Do you like to play? Luckily, most of us do, whether we’re two or 20! In this issue we’ll explore the science of fun: how it contributes to our successful learning and development …

Features include: Click and the Kids, Nature Spy, Can You See Me?,Yo Wants to Know, What's the Difference, Look-Alikes, Name that Tree, look Left Look Right

Why is the moon like a big bike reflector? Where does stardust come from? Why are winter nights so long? Where in the sky should you look for the Big Dipper? You’ll find out when y …

Features include: Finding Tiktaalik, The Invisible Everyday World, Cracking the Desire Code, Gut Math.

Ever wonder why something that costs just 5.7 cents to make (that’s a one-dollar bill!) is worth so much? Money talks in this issue, revealing the history of money, from cows to co …

Take a giant step into this monstrous issue and select from features like Battles of the Gods: A Muse Mini Myth; When Giants Walked the Earth;, Insect Stare-Down; and Toad Overload …

Features include: Alien Invasion; The Arrival; Super-Drought in the Southwest; Flight of the Flora.

Features include: Superbug; The Dreamer; Two Spooky (and True) Tales; Citizens of the Deep; Ghost Hunting 101.

Features include: Living Machines; DIY Bio; Empty Street, Blank Canvas; From Fossils to Flesh; Not Measuring Up.

The earliest known mummifications – discovered in Chile, no less – and the poop on poop are just two of the fascinating features in this fertile issue. Shop with CalTech students f …

This issue talks about everything that's cool about ice. What's it like to travel on an ocean-going ice breaker? How are crops protected with ice? How can ice power break steel? Ho …

Clutch piracy in amphibians, frigate birds, pirates of the air; celestial navigation, computer spammers, pirates, and hackers; seafloor mapping, art piracy and science detection, s …

All animals do it, and some even use it "- to build homes, hide from enemies, attract mates, send messages, and cool off. Some even eat it. Forensic applications, Turd Trivia, Pand …

A "green" issue on challenges we face and ingenious solutions to solving energy problems.

Scientists can be stubborn and feud like the rest of us, sometimes for decades or even centuries! But they are definitely seekers of truth. Vigorous debate--even controversy that r …

Features include: Team Robot; Anatomy of a Robot; Robot Relatives; Dr. Rivet's Guide for the Mechanically Perplexed; Driving on Mars; My teacher is a Robot; The Robot Zoo.

Features Include: Learning to Speak, English as She is Spoke, A Lost Language, The Poetry Machine, A Made-Up Language, Many Languages

Wizards of detection, professional lie-catchers, what makes a smile true, an advanced face-reading test, and many additional facts on the matter comprise Deception Detection in thi …

Features include: Kristin Laidre: Arctic Adventurer, You Study What? Strange But True Stories of Scientists in Action, Cool Tools, The Art of Science.

Features include: Secrets of the Alchemists; The Alchemist's Apprentice; What Are You Made Of?; Sneaky Tricks of the Alchemists; Scritch, Swoosh, Foom, Boom.

Features include: The Guest Star; A Star's Life: The Inside Story; What is a Black Hole?; Stephen Hawking: Exploring the Rules of the Universe; Space Travel Family Fun; Snapshots F …

Features include: Click and the Kids; Meet the Machines; Loads of Levers; What Am I?; Not So Simple Machine; Yo Wants to Know; Kitchen Helpers; Operation: Rescue Possum; Beatrice …

If you like messy stuff, you'll love this issue! Slimes are gross,fun,destructive, and serious science-- all at the same time! Read about biofilms and how they are helping to solve …

Our planet has never needed trees more. All trees help keep the soil from eroding, and provide habitat for bird and other creatures. In this issue, you'll learn how trees help rid …

Every curious kid eventually looks up into the night sky and asks what it’s all about. Let Jack Horkheimer, host of PBS’s Star Gazer, give them the big picture in this wonderful fa …

features include: Traveling with the Crowd; What Can a Computer Learn From a Wildebeest?; A Noodle of Names; All Together Now; The Tribe of Ask; Prairie Dogs: Talk of the Town; How …

Humans have a love/hate relationship with sharks. They are fascinating on a movie screen, but terrifying in the surf. This issue will look at their importance to the ocean ecosyste …

Neural roots of identity, animals and identity, identity theft, technology and identity.

Carbon dioxide has turned Earth into a greenhouse and is acidifying our oceans. But without carbon-based molecules, life as we know it would not be. This issue will look at carbon …

Features include: Looking at Mushrooms; Animal, Vegetable, or Fungus?; Talented Fungi; Wanted! Mad, Bad, and Killer Fungi; March of the Zombie Ants; The Trees that Would Not Grow.

How do methods of magic work in the brain? How can you make anything disappear? Learn about the tricks of great magicians, the magic of ventriloquism, the magic of science, and how …

Tornadoes, galaxies, earthquakes, ocean vortices, knot math, DNA, dust devils.

April showers bring...well, water and so does our April issue of FACES. Though it's seems so plentiful in many places that we scarcely notice it, many people around the world don't …

features include: Click and the Kids; From Seed to Plant; Plant Food; Hannah's Garden; Gotcha!; UP, Down and Turned Around; Yo Wants to Know; Plants Are Protected; Our Neighborhood …

Features include: What Are Faces For?; Making Faces; Should Robots Have Faces?; Face to Face; What Did King Midas Look Like?

Features include: Click and the Kids; Polly Pepper Picked a Plate of Plants to Eat; How Click is Made; Perfect Pearls; Yo Wants to Know; Butter Up; Stuck; The Story of Chocolate; B …

Features include: Perfect Partners, Blabbermouth, At Your Service!, Where's the Honey, Honey?, Garden Friends, The Whales of Twofold Bay

Will there ever be hovering cars that lift us off to school and work? Or are we permanently grounded as energy issues dominate transportation? How close are we to hydrogen-powered …