Uncategorized

  1. Climate

    Artificial fixes for climate change nixed — for now

    Experts says schemes to manually adjust the world’s climate are not ready for use, but should be studied just in case.

    By Beth Mole
  2. Health & Medicine

    Bouncing back from giving blood can take months

    Taking iron supplements after donating blood can dramatically reduce the time it takes to recover iron levels in the blood, a study finds.

    By Nathan Seppa
  3. Health & Medicine

    Fallout from nuclear bomb testing presaged today’s radioactive tracers

    Scientists in 1965 measured buildup of radioactive carbon from nuclear bomb testing in people.

    By Kate Baggaley
  4. Neuroscience

    A brain at rest offers clues to Parkinson’s, Alzheimer’s

    PET scans reveal that the breakdown of brain networks differs in Parkinson’s and Alzheimer’s diseases.