Wednesday, November 21, 2007

A few words about the "theory of evolution"

A few words need to be said about the "theory of evolution," which most people take to mean the proposition that organisms have evolved from common ancestors. In everyday speech, "theory" often means a hypothesis or even a mere speculation. But in science, "theory" means "a statement of what are held to be the general laws, principles, or causes of something known or observed." as the Oxford English Dictionary defines it. The theory of evolution is a body of interconnected statements about natural selection and the other processes that are thought to cause evolution, just as the atomic theory of chemistry and the Newtonian theory of mechanics are bodies of statements that describe causes of chemical and physical phenomena. In contrast, the statement that organisms have descended with modifications from common ancestors--the historical reality of evolution--is not a theory. It is a fact, as fully as the fact of the earth's revolution about the sun. Like the heliocentric solar system, evolution began as a hypothesis, and achieved "facthood" as the evidence in its favor became so strong that no knowledgeable and unbiased person could deny its reality. No biologist today would think of submitting a paper entitled "New evidence for evolution;" it simply has not been an issue for a century.

- Douglas J. Futuyma, Evolutionary Biology, 2nd ed., 1986, Sinauer Associates, p. 15

Sunday, November 18, 2007

The following is from an essay by Louise Antony

Looking back on my development from devout Catholic girl to adamant atheist, I think that it was its bottom-line dogmatism that drove me away from the Church, and indeed, from the very possibility of religious faith. "Faith" presents a paradox: if a doctrine can be defended on rational grounds, then it needn't be taken on faith. But if it cannot be defended on rational grounds, why should you believe it?

BiLL HiCKS - Comic Genius, Dark Poet, Human Being.

"I'm so sick of arming the world, then sending troops over to destroy the fucking arms, you know what I mean? We keep arming these little countries, then we go and blow the shit out of them. We're like the bullies of the world, y'know. We're like Jack Palance in the movie Shane, throwing the pistol at the sheepherder's feet.

"Pick it up."

"I don't wanna pick it up, Mister, you'll shoot me."

"Pick up the gun."

"Mister, I don't want no trouble. I just came down town here to get some hard rock candy for my kids, some gingham for my wife. I don't even know what gingham is, but she goes through about ten rolls a week of that stuff. I ain't looking for no trouble, Mister."

"Pick up the gun."

(He picks it up. Three shots ring out.)

"You all saw him - he had a gun."