Related BBC sites

Page last updated at 10:07 GMT, Monday, 7 September 2009 11:07 UK
In Pictures: Weird crater creatures


Print Sponsor


MOST POPULAR STORIES

From Science/Environment in the past week

  • TUESDAY :
  • MONDAY :
  • SUNDAY :

BBC navigation

BBC © 2013 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Americas Africa Europe Middle East South Asia Asia Pacific