Evolution

  1. Science & Society

    Longer gaps between births can halve infant deaths in developing nations

    Leaving more time between successive pregnancies matters for infant survival, but only in less-developed countries.

    By Sujata Gupta
  2. Anthropology

    A Greek skull may belong to the oldest human found outside of Africa

    Humans possibly reached southeastern Europe by 210,000 years ago.

    By Bruce Bower
  3. Genetics

    DNA reveals a European Neandertal lineage that lasted 80,000 years

    Ancient DNA from cave fossils in Belgium and Germany shows an unbroken genetic line of the extinct hominids emerged at least 120,000 years ago.

    By Bruce Bower
  4. Science & Society

    Lost wallets are more likely to be returned if they hold cash

    Worldwide, return rates of lost wallets goes up as the money inside increases, contradicting the idea that people act in their own self-interest.