The proteins that domesticated our genomes
  Human kidney progenitors isolated, offering new clues to cell renewal
  Study reveals how ionising radiation damages DNA and causes cancer
  Giraffes more speciose than expected
  New 'Trojan horse' antibody strategy shows promise against all Ebola viruses
  Brain circuit that drives sleep-wake states, sleep-preparation behavior is identified
  New genus of bacteria found living inside hydraulic fracturing wells
  Biochemists' discovery could lead to vaccine against 'flesh-eating' bacteria