Uncategorized

  1. Genetics

    Researchers say CRISPR edits to a human embryo worked. But critics still doubt it

    Researchers say that they have confirmed CRISPR/Cas9 edits of a heart disease–causing version of a gene, but critics still have doubts.

    By Tina Hesman Saey
  2. Archaeology

    The debate over people’s pathway into the Americas heats up

    Defenders of an ice-free inland passage for early Americans make their case.

    By Bruce Bower
  3. Earth

    Global dimming may mitigate warming, but could hurt crop yields

    Injecting a veil of tiny particles into the atmosphere might reduce global warming, but it could also lower crop yields.

    By Carolyn Gramling
  4. Life

    Nasty stomach viruses can travel in packs

    Contained clusters of rotavirus and norovirus caused more severe infections in mice than the same viruses working solo.