Search Results for: Vertebrates

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1,512 results
  1. Life

    It’s true: Butterfly spots can mimic scary eyes

    Contrary to recent studies, the old notion that butterfly wing eyespots evoke predator eyes may not be so old-fashioned after all.

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  2. Physics

    Pentaquarks, locked-in syndrome and more reader feedback

    Readers discuss pentaquark sightings, delightful diatoms and whether an ancient four-legged fossil was actually a snake.

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  3. Animals

    Chameleon tongue power underestimated

    A South African chameleon species can shoot its tongue with up to 41,000 watts of power per kilogram of muscle involved, a new study finds.

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  4. Animals

    Lazy sunfish are actually active predators

    Ocean sunfish were once thought to be drifting eaters of jellyfish. But they’re not, new research shows.

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  5. Paleontology

    New evidence weakens case against climate in woolly mammoths’ death

    Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.

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  6. Paleontology

    Fossil reveals terror bird’s power

    Bones of a new terror bird confirm the creatures used their beaks to hatchet their prey but also raise questions about what drove the birds extinct.

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  7. Paleontology

    Museum fossil links snakes to lizards

    Scientists have discovered the fossilized remains of the first four-legged snake. The fossil bridges the gap between snakes and lizards.

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  8. Paleontology

    This dinosaur’s ride may have been a glide

    A new dino called Yi qi may have taken to the skies with wings akin to those of pterosaurs and flying squirrels.

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  9. Animals

    Hummingbirds evolved a strange taste for sugar

    While other birds seem to lack the ability to taste sugar, hummingbirds detect sweetness using a repurposed sensor that normally responds to savory flavors.

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  10. Life

    Fossil fish eye has 300 million-year-old rods and cones

    A fossil fish shows the earliest evidence of rods and cones, cells essential for color vision in vertebrates.

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  11. Animals

    A fish reared out of water walks better

    The normally aquatic fish Senegal bichir raised on land suggests how ancient species might have transitioned into terrestrial ones.

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  12. Animals

    Conservationists should make friends with hunters

    A survey of outdoor enthusiasts in rural New York finds that both hunters and birdwatchers are likely to engage in conservation behaviors, such as donating money.

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