News

  1. Ecosystems

    Long-ignored, high-flying arthropods could make up largest land migrations

    Forget birds. 3.5 trillion insects, spiders and mites a year fly over the southern United Kingdom.

    By Susan Milius
  2. Life

    Ancient enzymes adapted to a cooler Earth to keep life’s chemical reactions going

    Ancient enzymes kept their speed at lower temperatures.

    By Laurel Hamers
  3. Life

    Force-detecting protein senses when lungs fill with air

    A study in mice pinpoints a force-detecting protein that regulates breathing, previously implicated in touch.

    By Rachel Ehrenberg
  4. Earth

    ‘Waterworld’ Earth preceded late rise of continents, scientist proposes

    Cooling mantle temperatures may have lifted Earth’s continents above sea level, helping spur the Cambrian explosion.