Tag: Daniel Zitterbart

• Friday, June 3rd 2011 - 18:01 UTC

  Penguins’ winter huddle clusters are all the time on motion to keep warm

  

  The mystery of how penguins stay warm while they huddle has been revealed by an international team of scientists. Emperor penguins survive the tough Antarctic winters by forming tightly packed clusters - but scientists have pondered how penguins on the outside stay as cosy as those in the centre.