News

  1. Life

    Rest in peace nanobacteria, you were not alive after all

    New studies bid a fond farewell to nanobacteria -- the extremely tiny “microorganisms” that have sparked controversy and may cause disease.

    By Tina Hesman Saey
  2. Animals

    First Frog without Lungs

    An aquatic frog in fast-flowing water in Borneo turns out to be the first frog species with no lungs.

    By Susan Milius
  3. Chemistry

    Einstein’s invisible hand: Is relativity making metal act like a noble gas?

    Element 114 should be chemically similar to lead, but controversial experimental data shows it behaves more like a noble gas, potentially subverting the periodic table's structure.

    By Davide Castelvecchi
  4. Health & Medicine

    Stem Cell Snag: Implanted cells may show signs of Parkinson’s

    After as many as 16 years, nerve cells transplanted into the brains of Parkinson's patients still thrive, but some show signs of acquiring the disease.