: Digital versions narrated by Dawkins and Lalla Ward are at Barnes & Noble for $29.99 . Go to product viewer dialog for this item. The Greatest Show on Earth: The Evidence for Evolution
: He clarifies the scientific distinction between the "fact" of evolution (that it happened) and the "theory" (the mechanisms, like natural selection, that explain how it happened). Purchase and Availability The book is widely available across major retailers: The Greatest Show on Earth: The Evidence for Ev...
Dawkins organizes his "cast-iron case" by sifting through various layers of scientific fact: : Digital versions narrated by Dawkins and Lalla
: Dawkins cites real-time observations, such as Richard Lenski’s E. coli experiment , where bacteria evolved to utilize citrate over 20 years, and John Endler's guppy studies on environmental pressure. like natural selection