Humans

  1. Health & Medicine

    Year in review: Not all bodies act their age

    People grow old at different rates, but the underlying drivers of aging may be the same: molecular havoc wreaked inside of cells, scientists suggested in 2015.

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  2. Neuroscience

    Year in review: Alzheimer’s protein behaves like a prion

    Under rare conditions, an Alzheimer’s-related protein may have jumped between people, scientists reported this year.

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  3. Humans

    Year in review: Native Americans are Kennewick kin

    Ancient DNA identified 8,500-year-old Kennewick Man as a Native American relative.

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  4. Health & Medicine

    Year in review: Ebola vaccines on the way

    After more than a year of furiously developing and testing potential Ebola vaccines, two candidates have risen to the top and may soon be available for use.

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  5. Neuroscience

    Brain shapes come from mom and dad

    By linking genes to brain shapes, scientists have a new way to study how the brain works.

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  6. Archaeology

    6,000-year-old skeletons in French pit came from victims of violence

    Human bones in a French pit recall lethal conflicts and limb lopping 6,000 years ago.

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  7. Genetics

    Liberia’s Ebola outbreak largely traced to one source

    Ebola’s spread and evolution in Liberia echoes patterns seen in Sierra Leone.

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  8. Health & Medicine

    Iron helps growing bodies, but could too much do harm?

    Iron fortification has been a public health victory in the fight against childhood anemia. But too much iron may be a cause for concern, scientists propose.

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  9. Health & Medicine

    High-potency pot smokers show brain-fiber damage

    People who smoke potent pot had signs of damage in a brain communication link.

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  10. Health & Medicine

    Pay attention to that under-the-weather feeling

    People can forecast their likelihood of catching colds by rating their own health, study shows.

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  11. Health & Medicine

    Virus spread by mosquitoes linked to rare birth defect

    In addition to fever, rash and vomiting, Zika virus may cause rare birth defect.

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  12. Health & Medicine

    Pregnancy hormone could keep multiple sclerosis at bay

    A small trial hints that pregnancy hormone can reduce MS flare-ups.

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