The Ancestor's Tale: A Pilgrimage to the Dawn of Evolution
By Jonathon KeatsPosted 11.01.2004 at 1:00 pm 0 Comments
The evolution of life on Earth over the past four billion years may be the most lavish, and successful, R&D program in history. The human being, capable of making tools and solving crossword puzzles, is one remarkable product, but so too is the squid, which mastered jet propulsion millions of years before NASA, and the bacterium—the original inventor, three billion years ago, of the free-spinning wheel. Natural selection has exploited almost every physical and chemical phenomenon, including electricity, which is used by both sharks and the duckbill platypus to sense potential prey.