Earth's Systems

  1. Earth

    How long will Kilauea’s new eruption last?

    A government volcano expert answers burning questions about the ongoing Kilauea eruption.

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  2. Climate

    Analyze This: Climate change could make food less healthy

    Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.

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  3. Physics

    Explainer: What is thundersnow?

    Wacky weather produced lots of thundersnow during New England’s recent winter storms. Some scientists now suspect Mother Nature got some human help.

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  4. Physics

    Explainer: Winds and where they come from

    Temperature and pressure are critical factors affecting why the wind blows where it does. Understanding the nature of wind can teach us a lot about weather.

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  5. Earth

    Explainer: What makes dirt different from soil

    Although most people use the terms dirt and soil interchangeably, scientists argue that they shouldn’t. Soil has provenance — meaning history. Dirt doesn’t.

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  6. Science & Society

    Explainer: Weather and weather prediction

    The sun and Earth combine to create the planet’s weather systems. And science is getting good at predicting what they’ll do.

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  7. Physics

    Disabilities don’t stop these experts in science and tech

    People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.

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  8. Earth

    Explainer: Hurricanes, cyclones and typhoons

    Hurricanes are some of the most destructive forces on the planet. Here’s how they form and why they are so dangerous.

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  9. Earth

    Antarctic ice shelf sheds Delaware-sized iceberg

    Larsen C is a major ice shelf in Antarctica. An iceberg the size of Delaware has just splintered off of it in one of the largest calving events ever recorded.

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  10. Ecosystems

    Cool Jobs: Bringing caves’ dark secrets to light

    These three cave researchers study caves to learn more about climate, geology and organisms that can survive some of Earth’s most hostile environments.

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  11. Microbes

    World’s deepest zoo harbors clues to extraterrestrial life

    Scientists have found a wide range of life deep below Earth’s surface. The discoveries could help inform our search for life on other planets.

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  12. Earth

    Ancient Arctic ‘gas’ melt triggered enormous seafloor explosions

    Methane explosions 12,000 years ago left huge craters in bedrock on the Arctic seafloor. Scientists worry more could be on the way today as Earth’s ice sheets melt.

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