News

  1. Health & Medicine

    Fetuses make a protein that causes morning sickness in pregnancy

    A hormone called GDF15 triggers a part of the brain involved in nausea and vomiting, a new study finds. Blocking its action may lead to treatments.

    By Tina Hesman Saey
  2. Science & Society

    Most people say self-control is the same as willpower. Researchers disagree

    Psychologists say self-control is about planning ahead to avoid relying on willpower in the moment. Laypeople see things differently.

    By Sujata Gupta
  3. Planetary Science

    A toxic gas that could help spawn life has been found on Enceladus

    Cassini data indicate that hydrogen cyanide, a key building block for life, exists on Saturn’s icy moon.