Humans

  1. Health & Medicine

    Killer-flu update

    Infection that recently developed in China shows signs of being easy to spread and hard to kill.

    By Janet Raloff
  2. Chemistry

    New bag keeps food fresh longer

    Invention harnesses oxygen-trapping power of iron.

    By Sid Perkins
  3. Health & Medicine

    Fuzzy future

    Kids may suffer impaired vision from spending too little time outdoors, studies suggest.

    By Nathan Seppa
  4. Archaeology

    American cannibals

    Skeletal remains of a Jamestown teen show signs of cannibalism in colonial America, new data show. The girl’s skull provides the first concrete support for historical accounts that some starving colonists had resorted to eating the flesh of others.

    By Stephen Ornes
  5. Health & Medicine

    Inspired medical research

    Teens make real advances in biomedical science.

    By Kellyn Betts
  6. Health & Medicine

    New life for a used organ

    Scientists transplant a rebuilt kidney into a rat.

    By Stephen Ornes
  7. Microbes

    Deadly new flu

    The germ responsible carries genes from other flu viruses.

    By Stephen Ornes
  8. Animals

    Infectious animals

    Critters spread many germs that can sicken each other — and even kill people.

    By Amanda Leigh Mascarelli
  9. Animals

    Explainer: People can sicken animals

    Wildlife can sometimes become infected with germs shed by people.

    By Amanda Leigh Mascarelli
  10. Life

    Stem cells: The secret to change

    Unusual, versatile cells hold the key to regrowing lost tissues.

    By Alison Pearce Stevens
  11. Health & Medicine

    Deadly new virus emerges

    A mysterious infection has been spreading for almost a year.

    By Janet Raloff
  12. Health & Medicine

    The AIDS virus that vanished

    Strong medicine may have rid a newborn of deadly HIV.

    By Stephen Ornes