Feature

  1. Genetics

    Year in review: Genes linked to tameness

    A look at the genes of domesticated animals offers possible insights into why taming has altered animals’ appearances.

    By Tina Hesman Saey
  2. Animals

    Year in review: Insect, bird evolution revisited

    Insects got an entirely new family tree after an extensive genetic analysis rearranged the creatures' relations.

    By Susan Milius
  3. Genetics

    Year in review: Easy stem cells a no go

    An incredibly easy method for making stem cells turned out to be impossible, again tainting the stem cell research field with controversy.

    By Tina Hesman Saey
  4. Neuroscience

    Year in review: The nose knows a trillion odors

    Humans can suss out more than 1 trillion different smells, a 2014 study estimated.