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  1. Humans

    Modern era brings death to words

    An analysis of books published over two centuries shows how words are born or succumb to shifting social and technological influences.

    By Rachel Ehrenberg
  2. Life

    After a breakup, coral embryos live on as clones

    Even modest waves can break apart embryonic corals, but the bits that survive can grow into separate clones.

    By Susan Milius
  3. Psychology

    Kids flex cultural muscles

    Young children, but not chimps or monkeys, generate collective leaps of knowledge.

    By Bruce Bower
  4. Physics

    Hydrogen takes a new form

    High-pressure studies may reveal a fourth phase for the element.

    By Alexandra Witze
  5. Earth

    Fault’s twists may shake up earthquake forecasts

    Deep angles along the southern San Andreas mean future temblors may be stronger than predicted.