Earth

  1. Animals

    Kangaroo farts: Not so ‘green’ after all?

    Scientists had thought that kangaroo farts were environmentally friendly because they had little methane. That may not always be true.

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  2. Earth

    Table salt and shellfish can contain plastic

    Bits of plastic have turned up in sea salts purchased in Chinese supermarkets. The finding suggests all sea salts may be similarly tainted. Shellfish too.

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  3. Earth

    Plastic trash travels up to Arctic waters

    Bags, fishing rope and other tiny bits of plastic are now polluting Arctic waters, posing threats to area wildlife.

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  4. Agriculture

    Cool Jobs: Crazy about cows

    Scientists are studying cows from one end to the other, with the goal not only of making the animals healthier but also of helping the environment.

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  5. Climate

    Clues to the Great Dying

    Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.

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  6. Chemistry

    Mealworms chow down on plastic

    Gut bacteria in mealworms break down polystyrene. Feeding plastic to the worms, or the germs they carry, could be a way to get rid of these wastes.

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  7. Climate

    Picture This: Biggest hurricane in the West

    The hurricane that’s storming into western Mexico has had higher sustained winds than any seen in the Western Hemisphere. It’s also got the lowest atmospheric pressure, making it a monster storm.

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  8. Earth

    Scientists Say: Jet Stream

    You might hear about the jet stream on a weather report, but what is it? We explain.

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  9. Agriculture

    The dirt on soil

    More than just dirt, soils teem with microbes essential for growing crops. Soils also help prevent floods and even play a role in climate change.

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  10. Animals

    Humans are ‘superpredators’

    A new study compares the hunting habits of wild animals and humans. People, it turns out, are unlike any other predator on Earth.

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  11. Brain

    Stuffy classrooms may lower test scores

    New research links fresh air in classrooms to test scores. Elementary-school students in stuffy classrooms, it found, may perform worse on standardized tests.

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  12. Earth

    Cool Jobs: Finding foods for the future

    What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.

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