Scientists Say

A weekly word defined, in a sentence and in context.

  1. Chemistry

    Scientists Say: Pigment

    From fruits to fur to fine art, many materials get their colors from compounds called pigments.

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  2. Physics

    Scientists Say: Proton

    These positively charged particles are important building blocks in atoms.

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  3. Planets

    Scientists Say: Habitable Zone

    The habitable zone is the region around a star where temperatures could be right for worlds to host liquid water.

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  4. Computing

    Scientists Say: Supercomputer

    These ultrafast computers perform complex calculations for research on cancer, quantum physics and more.

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  5. Tech

    Scientists Say: Virtual reality

    Virtual reality is an immersive, 3-D artificial environment created by a computer.

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  6. Earth

    Scientists Say: Fault

    A fault is a crack in Earth’s crust where pieces of rock scrape past each other.

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  7. Humans

    Scientists Say: Denisovan

    The Denisovans were a recently discovered population of ancient hominids.

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  8. Physics

    Scientists Say: Inertia

    Inertia is the tendency of objects to resist changes in their motion.

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  9. Materials Science

    Scientists Say: Silicone

    Silicone is a generic term for a whole slew of humanmade polymers with many different forms and applications.

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  10. Animals

    Scientists Say: Primate

    Primates are mammals that tend to have big brains, forward-facing vision, fingernails and flexible hands and feet.

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  11. Brain

    Scientists Say: Stereoscopy

    Stereoscopy allows the brain to perceive the two 2-D images seen by the eyes as a 3-D scene.

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  12. Math

    Scientists Say: Variable

    A variable is something that can be changed — such as a value in math, or a factor in an experiment.

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