Say What?

  1. blazar
    Astronomy

    Source of blazars’ super brightness comes into focus

    Astronomers take a close look at a blazar, a galaxy whose central black hole emits gamma rays and other high-energy material toward Earth.

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  2. jellyfish recovery
    Animals

    Moon jellies muscle their way to recovery

    Symmetrization, using rapid muscle movements to repair body symmetry, is the go-to healing mechanism for the limbed stage of moon jellyfish.

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  3. Voorwerpje
    Astronomy

    Lit-up gas clouds hint at galaxies’ violent pasts

    Voorwerpjes, tendrils of gas that orbit galaxies, continue to glow tens of thousands of years after being blasted with ultraviolet radiation.

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  4. common frog
    Animals

    Whether froglets switch sexes distinguishes ‘sex races’

    Rana temporaria froglets start all female in one region of Europe; in another region, new froglets of the same species have gonads of either sex.

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  5. geographic tongue
    Life

    ‘Geographic tongue’ creates unique topography

    A condition called ‘geographic tongue’ makes mouth organ appear maplike.

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  6. Jets of Centaurus A
    Astronomy

    ‘Supernova sweeping’ cleans up a galaxy’s gas

    Supernovas might sweep the remaining gas out of a galaxy after a supermassive black hole triggers the end of star formation.

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  7. Neuroscience

    Decoding sommeliers’ brains, one squirt of wine at a time

    Researchers use a ‘gustometer’ to control wine portions in experiments comparing the brains of sommeliers and novices.

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  8. Facial expressions
    Psychology

    Emotions go unnamed for some with eating disorders

    A portion of women with eating disorders have a separate problem recognizing their own emotions, a condition called alexithymia.

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  9. greater mouse-tailed bat
    Animals

    ‘Bag of chips effect’ helps bats find a meal

    Bats get a clue to where dinner is by listening to peers attacking prey.

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  10. Health & Medicine

    Sleep drunkenness might be common

    A new survey shows that about 15 percent of people sometimes wake up disoriented and confused, a condition called sleep drunkenness.

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  11. asteroid Itokawa
    Planetary Science

    To explain asteroid composition, scientists invoke nuts

    Brazil nut effect may explain why only large boulders dot surfaces of asteroids.

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  12. Psychology

    Vocal fry

    At the lowest registers of the human voice, a creaky, popping sound known as vocal fry emerges.

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