News

  1. Life

    Acid-bath method for making stem cells under fire

    No one has been able to reproduce a new technique for creating stem cells called STAP cells, leading some researchers to call for the retraction of the original research papers.

    By Tina Hesman Saey
  2. Animals

    Elephants can tell men’s voices from women’s

    Amboseli elephants may pick out age and gender — and even distinguish between languages — when listening to human voices.

    By Susan Milius
  3. Materials Science

    Phosphorene introduced as graphene alternative

    Sheets of ultrathin phosphorus could lead to faster semiconductor electronics.

    By Andrew Grant
  4. Ecosystems

    City spiders may spin low-vibe webs

    Spider webs built on human-made materials have less background bounce than those built on trees and other natural surfaces, which might shrink the arachnid’s hunting success.