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  1. Physics

    How physicists will remember Stephen Hawking

    Researchers reflect on Stephen Hawking's contributions to the field and the cosmological puzzles he left behind.

    By Emily Conover
  2. Genetics

    Birds get their internal compass from this newly ID’d eye protein

    Birds can sense magnetic fields, thanks to internal compasses that likely rely on changes to proteins in the retina.

    By Dan Garisto
  3. Anthropology

    Ardi walked the walk 4.4 million years ago

    Ancient hominid evolved upright stance without sacrificing climbing ability.

    By Bruce Bower
  4. Cosmology

    Why the Nobel Prize might need a makeover

    In Losing the Nobel Prize, astrophysicist Brian Keating discusses the downsides of science’s top honor.