Uncategorized

  1. Environment

    Heat waves in U.S. rivers are on the rise. Here’s why that’s a problem

    In recent years, heat waves in U.S. rivers have gotten more frequent, causing trouble for fish, plants and water quality.

    By Jude Coleman
  2. Genetics

    Ancient DNA unveils Siberian Neandertals’ small-scale social lives

    Females often moved into their mate’s communities, which totaled about 20 individuals, researchers say.

    By Bruce Bower
  3. Genetics

    Black Death immunity came at a cost to modern-day health

    A genetic variant that boosts Crohn’s disease risk may have helped people survive the 14th century bubonic plague known as the Black Death.

    By Wynne Parry
  4. Astronomy

    For the first time, astronomers saw dust in space being pushed by starlight

    Images collected over 16 years reveal that dust expelled from a well-known binary star system is hurried on its way by light from those stars.