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  1. Science explores the nature of time and space

    Editor in chief Nancy Shute discusses how science tries to make sense of time and space.

    By Nancy Shute
  2. Paleontology

    See stunning fossils of insects, fish and plants from an ancient Australian forest

    Thousands of fossils at an Australian site show a rare glimpse into the continent’s wetter history over 11 million years ago.

    By Carolyn Gramling
  3. Microbes

    Drug-resistant bacteria evolved on hedgehogs long before the use of antibiotics

    A standoff between bacteria and antibiotic-producing fungi living on hedgehogs may have led to the rise of one type of MRSA some 200 years ago.

    By Carolyn Wilke
  4. Earth

    Some volcanic hot spots may have a surprisingly shallow heat source

    Mysterious hot spots of volcanic activity in the interior of tectonic plates just got a little stranger.