Vol. 188 No. 10
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More Stories from the November 14, 2015 issue

  1. Astronomy

    First stars may lurk in our galactic neighborhood

    Representatives from the first generation of stars might be hiding in our cosmic backyard, masked by interstellar pollution.

  2. Planetary Science

    Ceres mountains and craters named for food

    A host of agricultural spirits are immortalized on several craters and mountains on the dwarf planet Ceres.

  3. Animals

    Oldest pregnant horselike fossil found

    A 48-million-year-old fossil of an early horse and fetus is the oldest and best-preserved specimen of its kind.

  4. Humans

    Into Africa: Ancient skeleton sheds light on reverse migration

    Ancient man’s DNA helps reveal extent of Eurasian farmers’ back-to-Africa migration some 3,000 years ago.

  5. Genetics

    Chemical tags on DNA appear to differ between gay and straight men

    DNA marks distinguished homosexual men from heterosexual men with in a small twin study.

  6. Quantum Physics

    Future quantum computing could exploit old technology

    Silicon transistors have been modified and patched together to form logic gates that could perform calculations in future quantum computers.

  7. Environment

    Air pollutants enter body through skin

    Although scientists have largely viewed skin as an unimportant portal to blood for toxic air pollutants, new human data show that skin can surpass lungs as a route of entry.

  8. Genetics

    Gene editing makes pigs safer for human transplants

    CRISPR/Cas9 disables multiple viruses at one time

  9. Health & Medicine

    Elephants’ cancer-protection secret may be in the genes

    An extra dose of cancer-fighting genes may be the secret to elephants’ long life spans.

  10. Anthropology

    Long before going to Europe, humans ventured east to Asia

    Cave finds indicate modern humans reached southern China long before entering Europe.

  11. Genetics

    Microbes may reveal colon cancer mutations

    Certain microbial mixes are associated with particular DNA mutations in colon cancer, a new study suggests.

  12. Humans

    U.S. is growing more genetically diverse

    Young Americans are more genetically diverse than previous generations, a new DNA analysis reveals.

  13. Anthropology

    Sleep time in hunter-gatherer groups on low end of scale

    Hunter-gatherer communities in Africa and South America have similar sleeping patterns as people living in postindustrial societies, researchers find.

  14. Paleontology

    Dimetrodon’s diet redetermined

    The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.

  15. Paleontology

    New evidence weakens case against climate in woolly mammoths’ death

    Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.

  16. Neuroscience

    Signs of Huntington’s show up in the brain in childhood

    Hints of Huntington’s disease show up in the brain long before symptoms do.

  17. Neuroscience

    Nets full of holes catch long-term memories

    Tough structures that swaddle nerve cells may store long-term memories.

  18. Animals

    Hunchbacked conchs jump at the smell of danger

    Hunchbacked conchs are among the most vigorous of snailkind’s few jumpers.

  19. Astronomy

    Comet carries alcohol, sugar

    Sugar and alcohol are just two of the ingredients that go into making a comet.

  20. Health & Medicine

    Daily drug shown effective in preventing HIV infections

    After a history of controversy, preexposure prophylaxis has been demonstrated to work for HIV prevention.

  21. Neuroscience

    1960s dog brain transplant was not followed by human studies

    A pioneering study to transplant a dog’s brain led to later work on a monkey, but ethical considerations and technical know-how have prevented further work.

  22. Animals

    For glowworms, the brightest girls get the guy

    Brighter female glowworms attract more mates and lay more eggs than their dimmer peers.

  23. Health & Medicine

    Cancer drug’s effectiveness overinflated in animal studies

    Claims about the cancer drug sunitinib are overblown because of poorly designed studies and negative results that were never published, a new analysis suggests.

  24. Astronomy

    White dwarf upsets planetary system, consumes evidence

    Rocky planets are disintegrating around a white dwarf, the core of a dead star.

  25. Animals

    ‘On the Wing’ chronicles origins of flying animals

    In "On the Wing," a biomechanicist reviews how animals took to the air.

  26. Science & Society

    ‘Failure’ explores errors’ upsides

    Missteps are a must in science, biologist argues in new book.