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150 Results for "fish"

"fish" Stuff:

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Check out these fascinating fish from Africa's lower Congo River.
Hands-on

Create a flounder fish that's hard to spot!
Story

What kind of person becomes an ichthyologist, a scientist who studies fish?
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Can poisons be used for good? Yes, and Robert will tell you why.
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The striped bass has been a popular catch for fishermen for centuries. These fishes are known for their spiny fins an...
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Polar bears are the top predator of the icy Arctic. But these large, furry white mammals have to work hard for their...
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California condors are the largest birds in North America. Like all vultures, condors are carrion-eaters. This means...
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For centuries, orange roughy went mostly unnoticed by humans. These fish thrived in the dark, the cold, and the inten...
Game

All aboard! Hop on a submersible and explore an amazing diversity of life at the ocean floor.
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Melanie Stiassny has been fascinated by fish from the time she was a little girl living in London. Today, Melanie is...
Video

Discover how these deep sea creatures create their own light!
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Ian Harrison first became interested in sea life during family vacations to the southwest coast of England.
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In 1938, fishermen off the east coast of Africa pulled up a strange creature in their nets.
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For over 1,000 years, people called the Inuit lived in the Arctic. Long ago, they relied on fishing and hunting for s...
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With their white bellies and dark backs, dolphins can be found jumping above the water, swimming alongside fishing sh...
Hands-on

Make a bracelet that matches a section of DNA code from your favorite plant or animal.
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It's easy to see how the starfish got its name -- with their pointed arms, these creatures look like stars fallen to...
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These tropical freshwater fishes come in so many colors, shapes, and sizes, it's nearly impossible to sum up the fami...
Video

Dive into the oceans with an ichthyologist.
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With its long, dramatic crest, the giant Pteranodon longiceps is easy to recognize.
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Animals and plants are usually adapted to survive best in particular environments, known as their habitats.
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Many animals and plants use color to warn predators to stay away, and the blue ringed octopus is no exception. When t...
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Even though this whale of a whale weighs many tons, the humpback whale can make acrobatic leaps out of the water!
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The electric eel is long and narrow like an eel, but it is actually not an eel at all. In fact, electric eels are pro...
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Estuaries are places where a river meets the sea. This ever-changing ecosystem is bursting with life. Saltwater from...
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The oceans are filled with creatures that use poison to survive. Some use chemical defenses to deter predators. Other...
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Far beneath the ocean's surface is a mysterious world of cold temperatures, intense pressure, and almost total darkne...
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Scientists all over the world send precious cargo to Julie Feinstein: frozen samples of animal tissues.
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This large dark bird is unmistakable soaring in the air along the coast.
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The whooping crane is known as the tallest bird in North America. This long legged creature has been struggling to su...
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The American crocodile has lived on Earth for millions of years, but today their numbers are rapidly declining becaus...
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That toothy grin might make you think this is a crocodile or an alligator. But the Yacaré caiman is neither. Caimans...
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Confuciusornis is the earliest-known toothless, beaked bird.
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The snowy egret is a beautiful sight. An adult egret is distinguished by its dark slender beak, long black legs, and...
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A coral reef may look like a colorful underwater garden, but these living structures are made by thousands of tiny an...
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During the 13th and 14th centuries, a group of people called the Aztecs flourished in Mexico. They built an advanced...
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One look at Redondasaurus, and you might think it's a crocodile. After all, it has a similar long, armored body, with...
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The frigid waters of the Arctic and the Antarctic may seem like hostile habitats. But a variety of marine life -- fro...
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The body of a sawfish may look like a fish, but its long, flat snout sets it apart. Rimmed with razor-sharp points, t...
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If you came face to face with a pacu, what would you do? Never fear -- the pacu may look like a big and scary fish, b...
Hands-on

Here's a very cool experiment that just might bring a tear to your eye. Use a blender to separate the DNA from an onion. 
Hands-on

Find out what makes you different from a snail, a tree, or even your best friend!
Hands-on

Start a field journal, and track how your favorite critter looks and behaves.
Hands-on

Find out which of your traits are due to nature OR both nature and nurture. 
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The giant squid is the largest invertebrate, or animal without a backbone, ever to have lived on Earth! 
Hands-on

How do mammals move? Make flipbooks to see six different mammals in action.
Story

From Madagascar to Indonesia, travel around the world with Museum scientists.
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Find out where Rob has followed his born curiosity.
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The most dazzling feature on many pterosaurs was a spectacular head crest. Tupuxuara leonardii had one of the most im...
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Growing up in Argentina, Adriana Aquino loved nature, especially the ocean. As a young girl, she wondered what it wou...
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Most ocean plants and animals live near the shore, on a narrow ribbon of seafloor called the continental shelf.
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Tipping the scales at more than 7 pounds, the Goliath is the largest frog in the world. Just two of these frogs weigh...
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Found along tropical coastlines, thick mangrove forests were once considered a nuisance, infested with mosquitoes and...
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Plankton are the microscopic organisms of the sea. Just as plants form the basis for the ecosystem on land, phytoplan...
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A firefly's light seems rare and magical. Yet there are many living things that blink, glow, flash, and glitter. The...
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The Portuguese man-of-war is actually a floating colony of individuals called polyps that are all dependent on each o...
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The hellbender is one of the largest salamanders in North America.
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With its furry coat, friendly face, and playful nature, the sea otter is perhaps one of the most endearing animals in...
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California sea lions are playful, intelligent, and fast—in and out of water. Their large flippers enable them to leap...
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Most amphibians start their lives in water, and grow up to live on land. But axolotls live their whole lives in water...
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The first vertebrates to fly took to the skies about 215 million years ago. These creatures were neither birds nor ba...
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The Sumatran tiger is found in only one place on the Earth -- on the island of Sumatra in Indonesia. Fewer than 500 o...
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Like humans, animals need to communicate with each other. Through sight, touch, sound, smell, and even electrical pul...
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Until 1828, pterosaur fossils had been found only in Germany. Then a new kind of pterosaur fossil was discovered in E...
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Bustling with a spectacular diversity of life, coral reefs are the rain forests of the oceans.
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Hundreds of years ago, European sailors placed carved mermaids on the front of their ships as figureheads and told ta...
Hands-on

Create land and sea animals that "glow" in the dark!
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If you watched an American black bear lumbering through the forest, you might not notice anything unusual about how i...
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Imagine a flying reptile the size of a two-seater plane! That's Quetzalcoatlus, one of the largest flying animals eve...
Hands-on

Send a note to a friend with these watery letterheads.
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Manatees were once mistaken for mermaids. In fact, manatees are part of a small group of marine mammals known as &quo...
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Unlike modern reptiles, pterosaurs weren't covered in scales. They were covered in fuzz! Pterosaurs kept warm with a...
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The blue whale is the largest animal ever to have lived on Earth.
Hands-on

Can you make it down to the ocean floor? Along the way, discover what makes water special.
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The deep sea is not an easy place to explore. To observe the ocean below 2,000 meters (or 6,562 feet), scientists mus...
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It's no fluke that Howard Rosenbaum is wild about whales -- especially the endangered right whales and humpback whales.
Story

Explore this family tree of living things on Earth.
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Imagine you are a marine biologist, traveling far beneath the ocean surface in a submersible.
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The seafloor covers more than half of the Earth's surface. Most of the seafloor consists of the flat, expansive abyss...
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Like many kids interested in science, Ro Kinzler thought she wanted to be a marine biologist. But later on, she reali...
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Many other animals use camouflage -- colors, textures, or patterns that help them blend in with their environment.
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Some people may call invertebrates spineless because they lack a backbone or spine! But these amazing creatures are t...
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This treehopper looks more like an ant than the flying insect it is. Its costume, called a "helmet," grows...
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This prehistoric relative of living ducks had a long neck, tall legs, webbed feet, and a duck-like head.
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Animals swim, walk, crawl, slither, squirm, and even fly through the air. They can catch free rides by attaching them...
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Many mammals run and walk. Some hop, swim, and even glide from trees.
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On the dry grasslands of eastern Africa, the Thomson's gazelle grazes in the tall grass. Suddenly, it hears a noise a...
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The red kangaroo is an amazing mammal. With its powerful hind legs and long tail, it can leap up to 45 feet (13.5 m)...
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Over 80 kinds of poison frogs live in the tropical forests of Central and South America.
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In college, Rob DeSalle wanted to study the narwhal, an Arctic whale with an eight-foot spiral tooth.
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This extinct bird weighed over 330 pounds and had heavy legs and tiny wings. 
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Compared to other titanosaurs, Gondwanatitan was a peewee at only about 7.5 meters (25 feet) long. 
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Growing up, Joel Cracraft loved reading travel and adventure books. In high school, he became interested in ornitholo...
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Some of Earth's oddest creatures live arounddeep-sea hydrothermal (hot water) vents. These vents spew plumes of hot,...
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This is one of the oldest known dinosaurs!
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Because of the diamond-shaped plates on its back, Stegosaurus was given a name that means "roof lizard." 
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About 100 million years ago, a flying reptile called Pterodaustro guinazui soared above the coast of what is now Arge...
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With vibrant colors and fantastic shapes, coral reefs are a breathtaking sight. These underwater structures are actua...
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Dug up in the Alxa Desert in China, this is the oldest and most complete therizinosaur ever found.
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This theropod belonged to a group called ornithomimids, also called "ostrich-mimics." 
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As you can tell from its body plates and tail spikes, this dinosaur is related to Stegosaurus. 
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This horned dinosaur had two long spikes on the back of its frill, the bony extension behind its skull.
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This plant-eating dinosaur was an ornithopod, as are duck-bill dinosaurs. 
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With its bird-like features, this animal was mistaken for a giant bird for a while.
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All animals of the sea depend on plankton, the tiny organisms that drift in the ocean.
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Some exotic creatures lurk in the polar seas, but perhaps none is more bizarre than the giant sea spider.
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The king cobra is the largest venomous snake in the world. Whether slithering on land, climbing trees, or swimming, i...
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Dinoflagellates are tiny, one-celled organisms that live in oceans and freshwater ponds, rivers, and streams. Some di...
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Giant puffballs aren't your typical mushrooms.
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You might think that all mosquitoes are alike, but did you know that there are actually about 2,500 different kinds?...
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Although the rosy periwinkle stands only one foot tall, in the world of medicine it's a giant.
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Ornithologists, or scientists who study birds, want to prevent the forests of the Pacific Northwest from being choppe...
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The St. Vincent parrot makes its home on the tropical island of St. Vincent in the Caribbean. These parrots are cover...
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Think of giant kelp as the Godzilla of the seaweeds.
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What do we have in common with sharks, bluebirds, lizards, and toads? We are all vertebrates, or animals with backbon...
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Its brow horns and snout horn inspired this dinosaur's name, which means "three-horned face."
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Have you ever caught a firefly on a warm summer night? Chances are it was a common eastern firefly (Photinus pyralis)...
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An invasive species is a living thing that moves into a new region. Species often become "invasive" as a re...
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Over 100 years ago, an archaeologist named Marshall Saville began exploring ancient ruins in Mexico.
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Mexico is the home of ancient cultures like the Maya and Aztecs. Today, Mexican culture is a blend of old and new.
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Throughout the world's oceans, tiny particles swirl, drift, and fall like snowflakes from the ocean's upper levels.
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To try to piece together how organisms are related, scientists use cladistics.
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Many people have seen the beautiful spiral triton trumpet shell. Unfortunately, most people can see these brown and w...
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Most mammals that live on land use their legs to get around. But the white-handed gibbon relies mostly on its arms. U...
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There are more than 250 kinds of vipers, a family of poisonous snakes. The largest of all is the gabon viper.
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The Asian elephant is one of the largest land mammals in the world. Some people believe that elephants feel joy and s...
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The leatherback is the world's largest turtle. Unlike the bony exterior of other sea turtles, the exterior of the lea...
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Cassava is one tough plant because it can grow in poor and unfertile soil in most tropical environments. Cassava is a...
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Most people know red and black spotted ladybird beetles as friendly insects that are fun to pick up and watch fly awa...
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If you looked at the contents of a vacuum cleaner bag with a microscope, you'd probably find millions of tiny creatur...
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This beautiful tortoise lives in the deserts of Madagascar, an island off the coast of Africa. This reptile gets its...
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A rotting log is a mighty tasty meal -- if you're a termite. Termites not only eat wood, some kinds live in it, too....
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Vietnam is a country of amazing biodiversity, including many rare and unusual species. One fascinating example is the...
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It only seems like the world's entire ant population attends your picnics.
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Saying "deoxyribonucleic acid" is a real mouthful. Luckily, you can call it DNA for short.
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At age 10, George Barrowclough began bird watching with his dad. He pursued his interest in birds by becoming an orni...
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Thousands of plants and animal species may be in danger of becoming extinct and disappearing forever.
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As a conservation geneticist, Yael tries to help endangered species by studying their DNA.
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In the wild, ruffed lemurs live in only one place -- the eastern rain forests of Madagascar.
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This famous long-necked, long-tailed wonder belongs to a group called "sauropods." 
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A dinosaur book led to this paleontologist's lifelong fascination with fossils.
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Are these rare and colorful creatures flowering plants or animals?
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The Tibetan antelope, also known as "chiru," is one of the most beautiful mammals in the world.
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The Komodo dragon lumbers through the forest on its thick, stocky legs. It sways its head back and forth, flicking it...
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The mountain gorilla lives high up in the forests of east central Africa.
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Have you ever seen pond scum -- that thick, smelly layer of slime floating on the surface of the water? That's probab...
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Based on fossils of ancient dragonflies, we know these winged insects have been soaring around for at least 300 milli...
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Not all spiders spin webs to catch their meals. When night falls in Australia, the white-tailed spider hunts its prey...
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New Caledonia, a tiny island east of Australia, is the only place where an unusual bird called the kagu is found. Abo...
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Compared to the continent of Africa, Madagascar may seem small. But this island, the fourth largest in the world, is...