Search Results for: grassland

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411 results
  1. Climate

    Rising CO2 levels might not be as good for plants as we thought

    A 20-year experiment spots a reversal in the way two kinds of plants take up extra carbon from the atmosphere.

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  2. Life

    1 million species are under threat. Here are 5 ways we speed up extinctions

    One million of the world’s plant and animal species are now under threat of extinction, a new report finds.

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  3. Ecosystems

    War wrecked an African ecosystem. Ecologists are trying to restore it

    Bringing back big predators to Gorongosa, once a wildlife paradise in Mozambique, is just one piece of the puzzle in undoing the damage there.

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  4. Ecosystems

    How mammoths competed with other animals and lost

    Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.

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  5. Anthropology

    Finger fossil puts people in Arabia at least 86,000 years ago

    A desert discovery suggests that Arabia was an ancient human destination.

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  6. Life

    Horses buck evolutionary ideas

    Horse evolution doesn’t fit classic scenario of trait evolution.

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  7. Archaeology

    How Asian nomadic herders built new Bronze Age cultures

    Ancient steppe herders traveled into Europe and Asia, leaving their molecular mark and building Bronze Age cultures.

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  8. Life

    How horses lost their toes

    Fossils reveal that as horses evolved to have fewer toes, they also got stronger and faster.

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  9. Archaeology

    Ancient dental plaque tells tales of Neandertal diet and disease

    Researchers have reconstructed the diet and disease history of ancient Neandertals.

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  10. Climate

    Why won’t this debate about an ancient cold snap die?

    Critics are still unconvinced that a comet caused a mysterious cold snap 12,800 years ago.

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  11. Archaeology

    Ancient dental plaque tells tales of Neandertal diet and disease

    Researchers have reconstructed the diet and disease history of ancient Neandertals.

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  12. Ecosystems

    In debate over origin of fairy circles, both sides might be right

    Odd bare spots called fairy circles in African grasslands might be caused by both termites and plants.

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