What is it about Earth that makes it just right for life?

  Prev Next  
        Science | Evolution


How Biological Anthropology Works

How Biological Anthropology Works

Biological anthropologists seek to understand the differences within and between human populations. Learn more about biological anthropology.

Related HowStuffWorks Articles

More Great Links


  • "The Ingredients: The Recipe for Life." BBC. September 2008. (Aug. 9, 2010) http://www.bbc.co.uk/science/space/life/beginnings/index.shtml
  • "Rare Earth Debate Part 1: The Hostile Universe." Space.com. July 15, 2002. (Aug. 9, 2010) http://www.space.com/scienceastronomy/rare_earth_1_020715.html
  • Schirber, Michael. "Alien Life May Need More Than Liquid Water to Survive." Space.com. May 20, 2010. (Aug. 9, 2010) http://www.space.com/scienceastronomy/alien-life-needs-more-than-water-100520.html
  • Villard, Ray. "Is Earth one of a kind?" Astronomy. April 2009. (Aug. 9, 2010) http://www.astronomy.com/asy/default.aspx?c=i&id=467
  • 1
  • 2