Chemistry

  1. Plants

    Most energy drinks lag in added health benefits

    Many caffeinated tonics lack natural antioxidants and other beneficial compounds found in coffee, yerba maté and other plant-based drinks.

    By
  2. Tech

    New help for greasy works of art

    NMR technique identifies oil stains, guiding art conservation efforts.

    By
  3. Chemistry

    Deep-sea plumes: A rush to judgment?

    A new report suggests a deep-sea plume of oil in the Gulf of Mexico has been gobbled up by microbes. But the scientist who described the incident doesn't "know" that. He can't — yet.

    By
  4. Chemistry

    How to bug bugs

    New insights on how insect repellents work could eventually help scientists prevent the transmission of diseases like malaria.

    By
  5. Chemistry

    Tracking bird flu one poop at a time

    Mice can sniff out duck droppings laced with the virus.

    By
  6. Chemistry

    Deep-sea oil plume goes missing

    Controversy arises over whether bacteria have completely gobbled oil up.

    By
  7. Plants

    Chlorophyll gets an ‘f’

    New variety of photosynthetic pigment is the first to be discovered in 60 years

    By
  8. Physics

    As the icicle turns

    Drip by drip, a new machine freezes out an existing theory.

    By
  9. Chemistry

    Superconductors go fractal

    Oxygen atoms arrange themselves in a self-similar pattern to help conduct electricity without resistance.

    By
  10. Space

    All wet, or high and dry?

    The moon’s interior contains far less water than Earth’s, new studies of rocks collected by Apollo astronauts suggest.

    By
  11. Chemistry

    Receipts a large — and largely ignored — source of BPA

    A host of small studies raises a big alarm about exposure to a hormone-mimicking chemical.

    By
  12. Tech

    Cashiers may face special risks from BPA

    “People working at places that use thermal paper can have continual contact with bisphenol A. And if they knew, I think they would be horrified,” notes Koni Grob, an analytical chemist with an official government food laboratory in Zurich, Switzerland. He’s describing the thermal paper commonly used throughout Europe and North America to print store receipts.

    By