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  1. Law & Disorder

    Physicists keep trying to explain why time flows one way.

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  2. Melting at the microscale

    Studying sea ice close-up may improve climate models.

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  3. Engineering a cooler Earth

    Researchers brainstorm radical ways to counter climate change.

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  4. A pregnant question

    How antidepressants may subtly alter a growing baby’s brain.

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  5. Elemental escape

    Making superheavies may reveal island of stability.

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  6. I, Mold

    Conquering the rising tide of infection is hindered by the many similarities between humans and fungi.

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  7. Physics

    Physics on the Edge

    Over the past couple of years, researchers have made several new discoveries involving bismuth telluride and other related materials, known as topological insulators.

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  8. Environment

    Destination brain

    Inhaled pollutants may inflame more than the lungs.

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  9. Physics

    Lasing Beyond Light

    Laser physicists have set their sights on new types of waves — manufacturing beams of sound, creating plasma swells and looking for ripples in spacetime.

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  10. Physics

    Inventing the Light Fantastic

    The history of the laser: An idea that began with Albert Einstein inspired a race to create a special beam of light that has since infiltrated numerous aspects of everyday life.

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  11. Humans

    Gambling on experience

    Perceptions of risk can get pulled in opposite directions.

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  12. Astronomy

    Can you hear me now?

    Astronomers reconsider how extraterrestrials could make contact.

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