Life

  1. Life

    Year in Review: Gift of steroids keeps on giving

    Mouse muscles stay juiced long after doping ends.

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  2. Animals

    Year in Review: Odd cicada history emerges

    Brood II returns better understood.

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  3. Animals

    Year in Review: Canine genealogy

    Competing clues confuse the story of dog domestication.

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  4. Life

    Feedback

    Readers discuss dog origins and how important a sense of scale is in science journalism.

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  5. Neuroscience

    Year in Review: Obama unveils brain initiative

    In April, the president announced an ambitious plan to reveal the human brain’s secrets.

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  6. Animals

    A year of rediscovered species

    Thousands of species go extinct each year, but at least a few are found after many years of being lost.

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  7. Neuroscience

    Bad memories fade with a short jolt

    Research illustrates the vulnerability of the brain’s information storage.

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  8. Genetics

    Year in Review: Caffeine triggers cloning advance

    To successfully clone human cells, eggs must be dunked in the stimulant.

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  9. Animals

    African frog conceals itself with chemicals

    Two small peptides keep the West African savanna frog from being stung by ants.

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  10. Science & Society

    Year in Review: High court rules against gene patents

    The justices’ decision opens the way for choices in DNA testing.

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  11. Life

    Year in Review: A double dose of virus scares

    Outbreaks of two deadly viruses captured the world’s attention in 2013, but neither turned into the global pandemic expected to strike one of these years.

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  12. Plants

    Lone survivor of ancient flowers is gluttonous gene consumer

    The rare Amborella shrub has engulfed whole genomes from other species.

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