News

  1. Genetics

    Epigenetic marks may help assess toxic exposure risk — someday

    Exposure to things in the environment may change chemical tags on DNA and proteins, but it’s still unclear how to use that data to assess health risks.

    By Tina Hesman Saey
  2. Life

    Early RNA may have used isolation strategy to defeat useless mutants

    Temporary barriers help RNA escape shorter, faster-replicating parasites

    By Laurel Hamers
  3. Ecosystems

    Losing tropical forest might raise risks of human skin ulcers, deformed bones

    Bacteria that cause Buruli ulcer in people flourish with tropical deforestation.

    By Susan Milius
  4. Neuroscience

    Brain waves show promise against Alzheimer’s protein in mice

    Flickers of light induce brain waves that wash amyloid-beta out of the brain, mouse study suggests.