Authors: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Searching for alternative life on Earth might seem misconceived, because there is excellent evidence that every kind of life so far studied evolved from a common ancestor that lived billions of years ago. Yet most of the life that exists on Earth has never been properly classified.

Paul Davies

Copyright © 2001 - 2014 BrainyQuote