Humans

  1. Genetics

    Men who lose Y chromosome have high risk of cancer

    Losing the Y chromosome in blood cells may bring on cancer and shorten men’s lives.

    By Tina Hesman Saey
  2. Genetics

    Easter Islanders sailed to Americas, DNA suggests

    Genetic ties among present-day populations point to sea crossings centuries before European contact with Easter Island.

    By Bruce Bower
  3. Humans

    Oldest human DNA narrows time of Neandertal hookups

    A 45,000-year-old Siberian bone provides genetic clues about the timing of interbreeding between ancient humans and Neandertals.

    By Bruce Bower
  4. Health & Medicine

    There’s no need to panic about enterovirus

    The enterovirus behind this year’s outbreak, EV-D68, has been around for decades and generally causes mild symptoms.

    By Laura Sanders
  5. Humans

    Anglo-Saxons left language, but maybe not genes to modern Britons

    Modern Britons may be more closely related to Britain’s indigenous people than they are to the Anglo-Saxons, a new genetic analysis finds.

    By Tina Hesman Saey
  6. Psychology

    Majority doesn’t always rule in teen booze use

    Having one abstainer as a friend cuts teens’ odds of getting drunk and binge drinking, a study finds.

    By Bruce Bower
  7. Health & Medicine

    Tiny human intestine grown inside mouse

    Human gut tissue transplanted into a mouse can grow into a working intestine that doctors could use to test disease treatments.

    By Meghan Rosen
  8. Health & Medicine

    Feedback

    Readers discuss methods to prevent sepsis and whether genes are thrifty, while Tina Saey clears up some confusion regarding Ebola's airborne status.

    By Science News Staff
  9. Microbes

    Microbes can redeem themselves to fight disease

    With some genetic engineering, bacteria can morph from bad to good and help attack invading cancer cells.

    By Susan Gaidos
  10. Health & Medicine

    Poop-transplant pills treat intestinal infection

    Frozen capsules stuffed with healthy gut bacteria from donated poop fight C. difficile infections.

    By Kate Baggaley
  11. Health & Medicine

    Jet lag affects gut microbes

    Jet-lagged bacteria in the gut impair mice’s metabolism, causing obesity and diabetes-related problems.

    By Tina Hesman Saey
  12. Health & Medicine

    Ebola continues rapid spread in West Africa

    Ebola continues to spread in West Africa, but some countries are poised to declare victory over the deadly virus.

    By Tina Hesman Saey