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Watering the Air
Chicken Eggs as Drug Factories
Silk’s superpowers
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Sleep Affects a Bird's Singing
Not Slippery When Wet
Monkeys Count
Behavior
Brainy bees know two from three
The case of the headless ant
Island of Hope
Birds
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Nightingales
Birds We Eat
Chemistry and Materials
Putting the Squeeze on Toothpaste
A Framework for Growing Bone
Makeup Science
Computers
A New Look at Saturn's rings
Toxic Dirt + Avian Flu = Science Fair Success
Galaxies on the go
Dinosaurs and Fossils
Fossil Forests
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Dinosaurs Grow Up
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Earth
Slower Growth, Greater Warmth
A Global Warming Flap
Plastic-munching microbes
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Spotty Survival
Sea Otters, Kelp, and Killer Whales
Shrinking Fish
Finding the Past
A Big Discovery about Little People
Stone Age Sole Survivors
Your inner Neandertal
Fish
A Grim Future for Some Killer Whales
Tilapia
Hammerhead Sharks
Food and Nutrition
A Taste for Cheese
Healing Honey
Chocolate Rules
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How a Venus Flytrap Snaps Shut
It's a Math World for Animals
How to Slice a Cake Fairly
Human Body
A Long Trek to Asia
Taking the sting out of scorpion venom
Opening a Channel for Tasting Salt
Invertebrates
Butterflies
Grasshoppers
Mollusks
Mammals
Cows
Minks
Yaks
Parents
Raise a Lifelong Reader by Reading Aloud
The Surprising Meaning and Benefits of Nursery Rhymes
How children learn
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Strange Universe: The Stuff of Darkness
Hold on to your stars, ladies and gentlemen
The Mirror Universe of Antimatter
Plants
Flower family knows its roots
Fastest Plant on Earth
A Change in Leaf Color
Reptiles
Pythons
Box Turtles
Snakes
Space and Astronomy
Return to Space
Dark Galaxy
Solving a Sedna Mystery
Technology and Engineering
Young Scientists Take Flight
Shape Shifting
Squeezing Oil from Old Wells
The Parts of Speech
Problems with Prepositions
Pronouns
What is a Preposition?
Transportation
Middle school science adventures
Reach for the Sky
Robots on a Rocky Road
Weather
A Dire Shortage of Water
The Best Defense Is a Good Snow Fence
Science loses out when ice caps melt
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Invertebrates

The word Invertebrate describes any animal which does not have a spine. Although lacking an internal skeleton, many invertebrates make up for this by developing a shell (as with snails), or a hard exoskeleton that protects their entire body (as with lobsters and insects.) Having a shell doesn't qualify an animal as an invertebrate, however; many invertebrates are soft-bodied, relying on other ways to protect themselves from their environment.

Invertebrates
Invertebrates








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