News

  1. Agriculture

    Plants engineered to always be on alert don’t grow well

    Scientists bred a type of weed to lack proteins that help stem the production of bitter chemicals used to ward off insect attacks.

    By Jennifer Leman
  2. Genetics

    DNA differences are linked to having same-sex sexual partners

    Genetic differences are associated with choosing same-sex partners in both men and women.

    By Tina Hesman Saey
  3. Health & Medicine

    New therapies pack a triple-drug punch to treat cystic fibrosis

    In testing, a triple-drug therapy significantly improved lung function in cystic fibrosis patients with the most common disease-causing mutation.

    By Aimee Cunningham
  4. Paleontology

    In a first, scientists spot what may be lungs in an ancient bird fossil

    Possible traces of lungs preserved with a 120-million-year-old bird fossil could represent a respiratory system similar to that of modern birds.