Scientists Say

A weekly word defined, in a sentence and in context. Click here to find the alphabetized list.

  1. Life

    Scientists Say: Spore

    Patience is a virtue of these crafty, resilient little reproductive cells. Some bacterial spores have grown after lying dormant for a millennium.

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  2. Life

    Scientists Say: Biophoton

    All living things glow with this mysterious light. But scientists need ultra-sensitive tools to detect it.

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  3. Computing

    Scientists Say: Boolean

    Computers handle complex problems through a series of very simple answers, such yes or no, on or off — and most often, one or zero.

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  4. Space

    Scientists Say: Observable universe

    No light will ever reach Earth from beyond this distant horizon of space.

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  5. Life

    Scientists Say: Clone

    This adaptable tech can help with everything from engineering medical microbes to preserving endangered species.

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  6. Physics

    Scientists Say: Entropy

    To understand the universe, we must look to entropy — the chaos engine of the cosmos.

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  7. Tech

    Scientists Say: Technofossil

    Experts predict that the durability of modern, human-made materials will give rise to a radical new form of fossil.

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  8. Physics

    Scientists Say: Discharge

    In physics, this release of energy can rebalance electrical charges. In biology, such a release might cool you down on a hot day.

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  9. Earth

    Scientists Say: Cave Popcorn

    This type of cave formation can occur as glossy, soaplike bubbles or as a bristly, cauliflower-like clusters.

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  10. Space

    Scientists Say: Bolide

    It starts as a flash. Then comes the sonic boom. The boldest meteors often go out with a bang.

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  11. Physics

    Scientists Say: Equilibrium

    This steady state may look like a total standstill, but it’s actually an equal opposition of forces.

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  12. Health & Medicine

    Scientists Say: Symptom

    A runny nose, fever or feeling of fatigue might clue your doctor in to the right diagnosis.

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