Earth's Systems

More Stories in Earth's Systems

  1. Agriculture

    New technologies might help keep drought-prone farms green

    After learning how much damage drought can do to crops, two teens designed ways to detect a thirsty plant and make sure it gets enough water.

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  2. Earth

    Here’s how lightning may help clean the air

    Airplane observations show that storm clouds can generate huge quantities of air-cleansing chemicals known as oxidants.

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  3. Space

    Raindrops on alien worlds will obey Earth-like rules

    Their size will be similar no matter what they’re made of or on which planet they fall, a new analysis finds.

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  4. Plants

    Dinosaur-killing asteroid radically changed Earth’s tropical forests

    The asteroid collision initially reduced the diversity in what had been sunny tropical rainforests. In time, the forests would become permanently darker.

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  5. Physics

    Light levitation might help explore Earth’s ‘ignorosphere’

    A toy called a light mill inspired researchers to invent a new way to fly. They’re using light to levitate small nanotube-coated discs.

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  6. Climate

    Surfing the winds would make future jet travel greener

    Simple route changes could drastically cut fuel use and greenhouse-gas emissions, a new study finds.

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  7. Environment

    COVID-19 cut pollution in 2020, warming the atmosphere

    Pandemic-related lockdowns briefly warmed the planet. The reason: The cleaner air carried fewer planet-cooling aerosols.

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  8. Earth

    Fin whales could help scientists map what lies below the seafloor

    Fin-whale calls are loud enough to penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.

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  9. Earth

    Rock rising from below the Atlantic may drive continents apart

    Molten rock rising from the deep mantle at the Mid-Atlantic Ridge may drive plate tectonics there more than had been expected.

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