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  1. Psychology

    Feedback

    Readers way in on slacktivism, cockroaches, dinosaur tracks and more.

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  2. Planetary Science

    NASA bets on asteroid mission as best path to Mars

    NASA wants to bag an asteroid using robotic arms or an enormous sack and place the rock in the moon’s orbit for study. This may keep astronauts working but not, as NASA claims, get them Mars-ready.

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  3. Oceans

    Mercury at ocean surface may have tripled since preindustrial times

    Questions remain over dangers of toxic metal in environment.

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  4. Neuroscience

    For neurons, birthday matters

    How brain cells make their connections during development still isn’t well understood. A new study shows that in the eye, a neuron’s birthday makes a difference in how it finds its targets.

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  5. Psychology

    Bilingual homes may give babies a learning lift

    Hearing two languages during the first six months of life linked to an early mental advantage.

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  6. Computing

    Brain-inspired computer chip mimics 1 million neurons

    By processing data in parallel, computer chips modeled after the human brain could perform certain tasks, such as pattern recognition, faster and more energy-efficiently than traditional computers.

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  7. Animals

    Here’s your chance to see the last passenger pigeon

    On display for the 100th anniversary of her species’ extinction, the final passenger pigeon specimen looks pretty good.

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  8. Earth

    Cloud seeding fueled fire about weather modification

    Experiments in 1964 resulted in “exploding” clouds.

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  9. Health & Medicine

    New tests screen for lethal prion disease

    Urine and nasal swabs can detect small amounts of the abnormal prions that cause Creutzfeldt-Jakob disease.

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  10. Tech

    Robots start flat, then pop into shape and crawl

    The machines use heated hinges to transform into shape and crawl around.

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  11. Animals

    Octomom and six other extreme animal parents

    The octopus that brooded her young for 4.5 years is just the start when it comes to tales of extreme parenting.

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  12. Planetary Science

    Rosetta spacecraft confabs with a comet

    After a 10-year chase, ESA’s Rosetta spacecraft has met up with comet 67P/Churyumov–Gerasimenko.

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