Search Results for: Vertebrates

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1,548 results

1,548 results for: Vertebrates

  1. Paleontology

    Small ‘cousins’ of T. rex may actually have been growing teenagers

    Fossil analyses suggest that Nanotyrannus wasn’t a diminutive relative of the more famous behemoth Tyrannosaurus rex.

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  2. Life

    An ancient critter may shed light on when mammals’ middle ear evolved

    Rare skeletons are helping to pin down the evolution of mammals’ three middle ear bones, known popularly as the hammer, anvil and stirrup.

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  3. Paleontology

    Big dinosaurs kept cool thanks to blood vessel clusters in their heads

    Giant dinosaurs evolved several strategies for cooling their blood and avoiding heatstroke.

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  4. Earth

    50 years ago, an Antarctic fossil pointed to Gondwanaland’s existence

    Fifty years ago, fossils from Antarctica helped seal the deal that the southern continents were once connected in one, giant landmass called Gondwanaland.

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  5. Life

    Remarkable fossils capture mammals’ recovery after the dino-killing asteroid

    A fossil-rich site in Colorado is revealing how mammals rebounded and flourished after an asteroid strike 66 million years ago.

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  6. Life

    A peek inside a turtle embryo wins the Nikon Small World photography contest

    The annual competition highlights the wonders to be found when scientists and photographers zoom in on the world around us.

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  7. Agriculture

    Birds fed a common pesticide lost weight rapidly and had migration delays

    Scientists have previously implicated neonicotinoid pesticides in declining bee populations. Now a study suggests that songbirds are affected, too.

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  8. Life

    Fly fossils might challenge the idea of ancient trilobites’ crystal eyes

    Fossilized crane flies from 54 million years ago probably got their crystal lenses after death.

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  9. Life

    How these tiny insect larvae leap without legs

    High-speed filming reveals how a blob of an insect can leap more efficiently than it crawls.

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  10. Paleontology

    A flexible bone that helps mammals chew dates back to the Jurassic Period

    A flexible bone that helps with chewing may have helped give rise to the Age of Mammals, a new fossil shows.

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  11. Animals

    There’s more to pufferfish than that goofy spiked balloon

    Three odd things about pufferfishes: how they mate, how they bite and what’s up with no fish scales?

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  12. Neuroscience

    A frog study may point to where parenting begins in the brain

    Two brain regions, including one active in mammal parents, lit up with activity in both male and female poison frogs when caring for their tadpoles.

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