Uncategorized

  1. Physics

    A quantum fluid pipes up

    After 40 years of trying, physicists have heard a quantum-mechanical whistle emanating from two reservoirs of oscillating liquid helium separated by a perforated membrane.

    By Peter Weiss
  2. Earth

    Adding mussel to environmental assessments

    Researchers have developed a new technique, using mussel shells, that could aid in autopsies of aquatic ecosystems that perished for unknown reasons.

    By Ben Harder
  3. Health & Medicine

    Ketone diet could help in Parkinson’s

    A strict low-carb diet long used to treat some people with epilepsy has been tailored so that it might fight Parkinson's disease.

    By Ben Harder
  4. Earth

    PCBs damage fish immune systems

    A common Arctic fish can suffer subtle immunological impairments from exposure to polychlorinated biphenyls at concentrations recorded in some remote polar waters.