20 SEP 2011 by ideonexus
Examples of Species Evolved through Human Artificial Sele...
The dog can stand for the success of other breeding programs. As Darwin noted in The Origin, “Breeders habitually speak of an animal’s organization as something quite plastic, which they can model almost as they please.” Cows, sheep, pigs, flowers, vegetables, and so on—all came from humans choosing variants present in wild ancestors, or variants that arose by mutation during domestication. Through selection, the svelte wild turkey has become our docile, meaty, and virtually tasteless...Turkeys, corn, broccoli, tomatoes, etc, etc, all bred from wild species into their modern domesticated forms.
08 JUN 2011 by ideonexus
We Cannot Return to Nature
This much is certain: The future of the planet wall not be a reprise of the past, a return to "a state of nature." The future will certainly be technological, increasingly globally homogeneous, and, in the short run at least, will embody the connectivity of the computer chip and the contrivances of genetic engineering—in conformity with Chaisson's law of rising complexity. American conservationists frequently offer Native American attitudes toward nature as the solution to our environmental...Even the America before the Colonists was somewhat domesticated by the Native Americans, and we cannot give up our leisurely lifestyles.