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New Gene Fights Potato Blight
Got Milk? How?
Amphibians
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Frogs and Toads
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The History of Meow
Thieves of a Feather
Hot Pepper, Hot Spider
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Pain Expectations
Double take
Internet Generation
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Kookaburras
Flightless Birds
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Chemistry and Materials
Toxic Dirt + Avian Flu = Science Fair Success
The Buzz about Caffeine
A Diamond Polish for Ancient Tools
Computers
A Light Delay
The science of disappearing
New eyes to scan the skies
Dinosaurs and Fossils
A Living Fossil
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Dino Bite Leaves a Tooth
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Earth
Watering the Air
Undersea Vent System Active for Ages
Plastic-munching microbes
Environment
The Oily Gulf
Sea Otters, Kelp, and Killer Whales
Improving the Camel
Finding the Past
Unearthing Ancient Astronomy
Your inner Neandertal
Fakes in the museum
Fish
Salmon
A Grim Future for Some Killer Whales
Whale Sharks
Food and Nutrition
The mercury in that tuna
Sponges' secret weapon
Turning to Sweets, Fats to Calm the Brain
GSAT English Rules
Finding Subjects and Verbs
Who vs. That vs. Which
Capitalization Rules
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How are students placed after passing the GSAT exam
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Math of the World
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Human Body
Electricity's Spark of Life
Surviving Olympic Heat
Music in the Brain
Invertebrates
Mosquitos
Crustaceans
Beetles
Mammals
Chipmunks
Donkeys
Labradors
Parents
How children learn
The Surprising Meaning and Benefits of Nursery Rhymes
Choosing a Preschool: What to Consider
Physics
Powering Ball Lightning
Invisibility Ring
Project Music
Plants
Sweet, Sticky Science
Fastest Plant on Earth
Underwater Jungles
Reptiles
Boa Constrictors
Snapping Turtles
Anacondas
Space and Astronomy
Zooming In on the Wild Sun
Unveiling Titan
Tossing Out a Black Hole Life Preserver
Technology and Engineering
Drawing Energy out of Wastewater
Young Scientists Take Flight
Are Propellers Fin-ished?
The Parts of Speech
What is a Preposition?
Countable and Uncountable Nouns
Adjectives and Adverbs
Transportation
Robots on the Road, Again
Ready, unplug, drive
Middle school science adventures
Weather
Recipe for a Hurricane
Warmest Year on Record
A Dire Shortage of Water
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Worms

A worm is an elongated soft-bodied invertebrate animal. The best-known is the earthworm, a member of phylum Annelida, but there are hundreds of thousands of different species that live in a wide variety of habitats other than soil. Originally the word referred to any creeping or a crawling animal of any kind or size, such as a serpent, caterpillar, snail, or the like (this old usage is preserved in the name "slow worm", actually a lizard). Later this definition was narrowed to the modern definition which still includes several different animal groups. Other invertebrate groups may be called worms, especially colloquially. Many insect larvae are called worms, such as the railroad worm, woodworm, glowworm, or bloodworms. Worms may also be called helminths, especially in medical or terminology when referring to parasitic worms, especially the Nematoda (roundworms) and Cestoda (tapeworms). Hence helminthology is the study of parasitic worms. When an animal, such as a dog, is said to have worms, it means that the dog is infested with parasitic worms, typically roundworm or tapeworm. Worm species differ in their abilities to move about on their own. Many species have bodies with no major muscles, and cannot move on their own. They must be moved by forces or other animals in their environment. Many species have bodies with major muscles, that let them move on their own. They are a type of muscular hydrostat. The fear of worms is known as 'scoleciphobia'.

Worms
Worms








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