News

  1. Health & Medicine

    Putting the big chill on cryotherapy

    Evidence is lacking for whole-body cryotherapy as a treatment for muscle soreness.

    By Meghan Rosen
  2. Earth

    Earth’s water originated close to home, lava analysis suggests

    Scarcity of a hydrogen isotope called deuterium in molten rock from Earth’s depths suggests that the planet’s H2O originated from water-logged dust during formation, not comets.

    By Thomas Sumner
  3. Computing

    New algorithm cracks graph problem

    A new algorithm efficiently solves the graph isomorphism problem, which has puzzled computer scientists for decades.

    By Andrew Grant
  4. Health & Medicine

    Signs of cardiac disease start early in obese children

    Worrisome changes to the heart that are associated with obesity can appear in childhood, a new MRI study shows.