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Cleaning Up Fish Farms
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Flush-Free Fertilizer
Amphibians
Toads
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Animals
A Seabird's Endless Summer
Roboroach and Company
Sleep Affects a Bird's Singing
Behavior
Listening to Birdsong
When Darwin got sick of feathers
Bringing fish back up to size
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Chemistry and Materials
These gems make their own way
Hitting the redo button on evolution
Unscrambling a Gem of a Mystery
Computers
The Shape of the Internet
Nonstop Robot
Supersonic Splash
Dinosaurs and Fossils
Hunting by Sucking, Long Ago
Dino-bite!
Winged Insects May Go Way Back
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Earth
Farms sprout in cities
Salty, Old and, Perhaps, a Sign of Early Life
Weird, new ant
Environment
Blooming Jellies
Indoor ozone stopper
Shrinking Fish
Finding the Past
Watching deep-space fireworks
Big Woman of the Distant Past
Decoding a Beverage Jar
Fish
Angler Fish
Seahorses
Tiger Sharks
Food and Nutrition
Eat Out, Eat Smart
A Taste for Cheese
Recipe for Health
GSAT English Rules
Subject and Verb Agreement
Order of Adjectives
Pronouns
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It's a Math World for Animals
How to Slice a Cake Fairly
Setting a Prime Number Record
Human Body
A New Touch
Music in the Brain
A Fix for Injured Knees
Invertebrates
Roundworms
Insects
Oysters
Mammals
Bats
African Wild Dog
Bears
Parents
Children and Media
How children learn
Expert report highlights the importance to parents of reading to children!
Physics
The Particle Zoo
Strange Universe: The Stuff of Darkness
Spin, Splat, and Scramble
Plants
Seeds of the Future
Assembling the Tree of Life
Bright Blooms That Glow
Reptiles
Iguanas
Turtles
Geckos
Space and Astronomy
Sun Flips Out to Flip-Flop
A Galaxy Far, Far, Far Away
No Fat Stars
Technology and Engineering
Machine Copy
Squeezing Oil from Old Wells
Smart Windows
The Parts of Speech
Countable and Uncountable Nouns
What is a Preposition?
What is a Noun
Transportation
Reach for the Sky
Where rivers run uphill
How to Fly Like a Bat
Weather
Weekend Weather Really Is Different
Arctic Melt
Either Martians or Mars has gas
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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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