Search Results for: Vertebrates

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1,512 results
  1. Animals

    These spiders may sew leaves into fake shelters to lure frogs to their doom

    Madagascar’s huntsman spiders use silk to turn two leaves into a cool hollow. Such microhabitats may appeal to the spiders’ prey, a study suggests.

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  2. Genetics

    Lizard-like tuatara carry two distinct mitochondrial genomes

    Having two mitochondrial genetic instruction books, a first for vertebrates, may help explain tuatara’s unique ability to tolerate cold temperatures.

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  3. Paleontology

    Pterosaurs may have been able to fly as soon as they hatched

    A fossil analysis shows the flying reptile hatchlings had a stronger bone crucial for lift-off that adults and shorter, broader wings for agility.

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  4. Life

    Fires may have affected up to 85 percent of threatened Amazon species

    Since 2001, fires in the Amazon have impacted up to about 190,000 square kilometers — roughly the size of Washington state.

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  5. Paleontology

    An ancient shark’s weird fins helped it glide like a manta ray

    Nicknamed eagle shark, the newly discovered ancient creature achieved underwater flight 30 million years before the first rays.

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  6. Paleontology

    Climate change helped some dinosaurs migrate to Greenland

    A drop in CO2 levels helped massive plant eaters called sauropodomorphs trek from South America to Greenland 214 million years ago, says a new study.

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  7. Animals

    How do we know what emotions animals feel?

    Animal welfare researchers are studying the feelings and subjective experiences of horses, octopuses and more.

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  8. Animals

    A year after Australia’s wildfires, extinction threatens hundreds of species

    As experts piece together a fuller picture of the scale of damage to wildlife, more than 500 species may need to be listed as endangered.

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  9. Health & Medicine

    For 50 years, CT scans have saved lives, revealed beauty and more

    In 1971, the first CT scan of a patient laid bare the human brain. That was just the beginning of a whole new way to view human anatomy.

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  10. Life

    Monitor lizards’ huge burrow systems can shelter hundreds of small animals

    Two species of Australian monitor lizards dig nests four meters deep. Now scientists reveal that the burrows are home to far more than their creators.

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  11. Humans

    Neandertal DNA from cave mud shows two waves of migration across Eurasia

    Genetic material left behind in sediments reveals new details about how ancient humans once spread across the continent.

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  12. Animals

    Clearing land to feed a growing human population will threaten thousands of species

    Changing where, how and what food is grown could largely avoid biodiversity losses, scientists say.

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