books.google.com - Offering daring new ideas about evolution, two highly respected biologists here tackle the central, unresolved question in the field—how have living organisms on Earth developed with such astounding variety and complexity? Marc Kirschner and John Gerhart draw on cutting-edge biological and medical...http://books.google.com/books/about/The_Plausibility_of_Life.html?id=aBklj28UOloC&utm_source=gb-gplus-shareThe Plausibility of Life