Search Results for: Vertebrates

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1,541 results

1,541 results for: Vertebrates

  1. Earth

    Life on the Edge

    Will a mass extinction usher in a world of weeds and pests?

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  2. Paleontology

    Fake fossil not one but two new species

    A supposed missing link between dinosaurs and birds that was first unveiled in 1999, and revealed to be a forgery soon thereafter, was actually cobbled together from parts of animals from two new species.

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  3. Quoll male die-off doesn’t fit pattern

    Males of a ferretlike marsupial called a quoll die off after one mating season-unusual behavior that suggests the need for new theories of why such deaths occur after mating.

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  4. Obscure brain chemicals draw new attention

    Long-dismissed brain chemicals called trace amines have receptors on human cells and may play a role in depression and schizophrenia.

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  5. Paleontology

    Two new dinosaurs chiseled from fossil gap

    A sleek predator and a pot-bellied giant dinosaur have emerged from North American rocks to fill in a 30-million-year gap in the dinosaur fossil record.

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  6. Paleontology

    Early Mammal’s Jaw Lost Its Groove

    A tiny fossil skull found in 195-million-year-old Chinese sediments provides evidence that crucial features of mammal anatomy evolved more than 45 million years earlier than previously thought.

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  7. Meeting Danielle the Tarantula

    Insect zoos have no lions, tigers, or bears but can give plenty of thrills, courtesy of tarantulas, giant beetles, and exotic grasshoppers.

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  8. Humans

    Weekly Science Snoop

    WARNING: This fake tabloid contains rumor, humor, and other words that don't rhyme with truth.

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  9. Paleontology

    The Latest Pisces of an Evolutionary Puzzle

    The recent discovery of coelacanths off the northeastern coast of South Africa was the first sighting of the rare fish in that country since the first living coelacanth, a type of fish thought to have been extinct for millions of years, was caught there in late 1938.

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  10. Waking up to the Dawn of Vertebrates

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  11. Paleontology

    A Ticklish Debate

    Paleontologists engaged in a contentious debate about the origins of feathers often reach interpretations that are poles apart, and they defend their views with fervor.

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  12. Telltale Heart

    Genetics is revealing the first steps in building a heart—the organ that is first to develop, subject to the most birth defects, and difficult to heal when damaged later in life.

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