Vol. 189 No. 10
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More Stories from the May 14, 2016 issue

  1. Health & Medicine

    Global obesity rates continue to climb

    Despite public health campaigns, the worldwide prevalence of obesity is on the rise, an analysis of BMI data suggest.

  2. Health & Medicine

    A sugar can melt away cholesterol

    A sugar called cyclodextrin removes cholesterol from hardened arteries in mouse studies.

  3. Genetics

    Some people are resistant to genetic disease

    People who should have genetic diseases but don’t may point to new treatments.

  4. Quantum Physics

    Gamers outperform computer at quantum task

    Quantum mechanics may be weird, but a new video game shows that human intuition can still best computers at quantum tasks.

  5. Ecosystems

    Heat may outpace corals’ ability to cope

    Corals may soon lose their ability to withstand warming waters.

  6. Anthropology

    Viking-era woman sheds light on Iceland’s earliest settlers

    Viking-era woman accompanied island’s early settlers as a child from Scandinavia or Britain.

  7. Environment

    EPA boosts estimate of U.S. methane emissions

    A new report by the U.S. Environmental Protection Agency revises the agency’s methane emission estimates upward by 3.4 million metric tons.

  8. Cosmology

    New sky map charts previously unknown gamma-ray sources

    A new map of the sky from the High-Altitude Water Cherenkov Observatory charts the cosmic origins of high-energy photons.

  9. Humans

    Pieces of Homo naledi story continue to puzzle

    Researchers defend Homo naledi as a new hominid species and debate how it reached an underground cave.

  10. Anthropology

    Belize cave was Maya child sacrifice site

    Bones in Central American cave suggest many Maya sacrificial victims were children.

  11. Cosmology

    How to make gravitational waves ‘sing’

    A rapidly spinning black hole would make a unique pattern of gravitational waves when it sucks in a smaller companion.

  12. Health & Medicine

    ‘Dirty’ mice better than lab-raised mice for studying human disease

    Dirtier mice may better mimic human immune reactions.

  13. Paleontology

    Clearer picture emerging of dinosaurs’ last days

    Dinosaurs’ final days may have included both a giant asteroid and gradual species die outs. Two new studies paint an increasingly intricate picture of dinosaur’s demise.

  14. Cosmology

    Ancient dwarf galaxy was heavy-element factory

    A rare event in an ancient galaxy left traces of heavy elements in its stars.

  15. Paleontology

    Beetle saved in amber had helicopter wings

    For the first time, scientists report the fossilized remains of two tiny Jacobson’s Beetles, preserved in amber for at least 37 million years.

  16. Life

    Studying cheese reveals how microbes interact

    Microbiologist Rachel Dutton uses cheese rinds to study how microbes form communities.

  17. Microbes

    Leptospirosis bacterium still haunts swimming holes

    Bacterial scourges lurk in warm recreational waters.