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  1. Agriculture

    Martian soil may have all the nutrients rice needs

    Experiments hint that in the future, we might be able to grow the staple food in the soils of the Red Planet.

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  2. Oceans

    50 years ago, researchers discovered a leak in Earth’s oceans

    An analysis of oceanic rocks hinted that ocean water drains into Earth’s mantle. How much makes it back into the ocean remains unclear.

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  3. Earth

    Earth’s inner core may be more complex than researchers thought

    Seismic waves suggest that Earth has a hidden heart, a distinct region within the solid part of the planet’s core.

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  4. Physics

    Static electricity helps parasitic nematodes glom onto victims

    The small electric charge generated by a moving insect is enough to affect the trajectory of a parasitic nematode’s leap so it lands right on its host.