Earth

  1. Tech

    Ground-thumping cheers help scientists

    Eager to test new sensors before the next ‘big one,’ earthquake scientists make use of a predictable source of ground-shaking: football fans.

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  2. Climate

    New El Niño coming on strong

    The current El Niño event could be a record breaker, changing weather patterns worldwide and bringing rain to drought-parched California.

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  3. Climate

    Scientists Say: Cyclone

    These strong storms have different names in different oceans. But all are cyclones.

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  4. Chemistry

    Bacteria become source of ‘greener’ blue jeans

    Manufacturing indigo to dye blue jeans now relies on harmful chemicals. But researchers have found a less polluting way to produce the blue tint: bacteria.

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  5. Brain

    To protect kids, get the lead out!

    Lead poisons hundreds of thousands of children. In Chicago, experts show how the toxic metal hurts test performance in school.

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  6. Climate

    Scientists Say: Hurricane or typhoon?

    Sometimes you read about hurricanes, and sometimes about typhoons. The difference? Location, location, location.

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  7. Environment

    The heat that keeps on giving

    Burning fossil fuels generates heat and carbon dioxide. That pulse of heat is quickly exceeded by the warmth that carbon dioxide traps in Earth’s atmosphere.

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  8. Environment

    Many of Earth’s groundwater basins are drying out

    A majority of Earth’s largest underground reservoirs of water are being depleted. These aquifers lose more water each year than they gain.

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  9. Climate

    Pacific hurricanes to strengthen as Earth warms

    Global warming is heating up the oceans. That is causing waters to warm. As a result, Pacific storms — called typhoons — will become more destructive.

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  10. Animals

    A whale of a journey

    The 5,200-kilometer (3,200 mile) journey of Isabela provides a window into the migration patterns of blue whales.

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  11. Environment

    Gulf oil spill: Still poisoning dolphins to crickets

    Once the 2010 Deepwater Horizon spill ended, oil continued to harm animals in the Gulf of Mexico. Five years later, it still may not be over, biologists worry.

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  12. Environment

    Scientists Say: Eutrophication

    When a body of water is filled with nutrients, algae and plants may take advantage. And their presence isn’t always a good thing.

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