Making Sense of “Survival of the Fittest”

Survival of the FittestThe term survival of the fittest” did not initially come from Charles Darwin’s Origin of Species, though later editions did use it. It was first coined by Herbert Spencer after he read Origin.

While a convenient phrase, it can be confusing. “Fit” in biological terms doesn’t mean what we commonly think (strong, quick, or agile, for example) but refers to how well adapted an organism is for an environment. Think of it as puzzle-piece fit, not athlete fit. Shortly after Origin, one commenter recommended “fittedness” instead of “fitness,” which might make a clearer mental image.

Creationists sometimes use the phrase to mean that might makes right or that the most savage or ruthless or selfish will survive. On the contrary, rather than might makes right, cooperation can be the better approach. This is the case for social animals like humans and other great apes. And even if evolution has some bloodthirsty aspects to it, how does that change whether it’s an accurate theory or not?

NewScientist magazine says:

Although the phrase conjures up an image of a violent struggle for survival, in reality the word “fittest” seldom means the strongest or the most aggressive. On the contrary, it can mean anything from the best camouflaged or the most fecund to the cleverest or the most cooperative. Forget Rambo, think Einstein or Gandhi.

What we see in the wild is not every animal for itself. Cooperation is an incredibly successful survival strategy. Indeed it has been the basis of all the most dramatic steps in the history of life. Complex cells evolved from cooperating simple cells. Multicellular organisms are made up of cooperating complex cells. Superorganisms such as bee or ant colonies consist of cooperating individuals.

Note also that evolution is descriptive, not prescriptive; it simply says what is the case and doesn’t provide moral advice. “I’ll model my morality on evolution” makes as much sense as “I’ll model my morality on the fact that arsenic kills people.”

Creationists sometimes twist Darwin’s The Descent of Man to argue that he favored eugenics. Darwin’s damning paragraph said, in part, “hardly anyone is so ignorant as to allow his worst animals to breed.” In the first place, whether Darwin ate babies plain or with barbeque sauce says nothing about whether evolution is accurate or not. In the second place, the very next paragraph clarifies Darwin’s position about denying aid to the helpless.

Nor could we check our sympathy, even at the urging of hard reason, without deterioration in the noblest part of our nature.

“Survival of the fittest” is a handy description of natural selection as long as all parties understand what it means.

Blogs are the opium dens of the 21st century.
— commenter Asmondius

(This is an update of a post that originally appeared 4/21/12.)

Photo credit: EvolveFish

Pygmies, Buffalo, and Christian Hardwiring

Half a century ago, anthropologist Colin Turnbull spent several years with Mbuti pygmies in eastern Congo. On one occasion, he took his Mbuti assistant to an overlook that offered a view of a distant plain where buffalo grazed. The Mbuti were familiar with buffalo, but they lived their lives in the forest and were not familiar with distance. The assistant pointed to the distant buffalo and asked what kind insects they were.

To him, distance was measured in meters, not kilometers, and he refused to believe that the bugs were actually huge animals.

(This was the point that Father Ted tried to make with Dougal when he contrasted the plastic toy cows with cows in a field: “These are small, but the ones out there are far away.”)

Escape from Camp 14

A more discouraging example of this hardwiring is the story of a 26-year-old man who escaped in 2005 from a North Korean prison camp, first to China, then South Korea, and then the United States. He was in the prison camp, not because he had committed a crime, but because he had been born there as the child of two inmates.

Though he made it to freedom, the story doesn’t have a particularly happy ending. Life had taught him since birth that survival meant husbanding precious energy by shirking work. Survival was immediate—steal food or shoes, avoid punishment, hide to rest from difficult manual labor. He adapted poorly in the West to the vaguer notion that if he didn’t arrive on time or didn’t complete his work that he might eventually lose his job.

Christian Hardwiring

This is similar to Christians who seem hardwired to not be able to see what, to atheists, seem obvious—for example, that the skepticism that Christians apply to other religions sinks theirs as well. Or that “the atheist worldview is hopeless,” whether true or not, is irrelevant to someone looking for the truth. Or that quoting the Bible does nothing to satisfy the atheist’s demand for evidence.

Remember the Mbuti assistant? He adjusted to the idea of distant animals and size constancy over a few days. And the Clergy Project—an intellectual halfway house for clergy who are losing or have lost the faith—shows that even the most-invested believers can choose reason over Christianity.

Other links:

  • Patheos has a new blog, Rational Doubt, started by members of the Clergy Project.
  • I argue that no well-informed atheist becomes a Christian for intellectual reasons here.

Study one religion, and you’ll be hooked for life.
Study two religions, and you’re done in an hour.
— Anon.

Photo credit: Wikimedia

Proof, Theory, Law, and all That

scientific theory and lawMisusing scientific terms is popular within some Christian circles, but perhaps it’s simply inadvertent. Let’s clear up a few terms, starting within mathematics and logic.

  • An axiom or postulate is a proposition (statement) taken as a given.
  • lemma is an intermediate proposition or stepping stone rather than the final result, which is a theorem.
  • A corollary follows readily from a theorem—it’s often simply another way of stating the theorem.

Lemmas, theorems, and corollaries are all proven, but proofs are only possible within mathematics and logic, not within science.

By contrast, all scientific statements are provisional. A scientific hypothesis is a testable explanation for a phenomenon. It explains and predicts. Once a hypothesis has proven itself, it becomes a scientific theory.

A scientific law is a description of a natural phenomenon, often an equation. Laws and theories are both well-tested, widely or universally accepted within the field, and falsifiable. The key thing to remember is that a theory explains while a law describes.

For example, germ theory, quantum theory, and the theory of evolution are explanations. Boyle’s law, Ohm’s law, and Newton’s law of gravity are all descriptions (and are all equations).

To see the difference, consider Ohm’s Law, I = V/R. This is a description of how electrical current, voltage, and resistance are related. Why it works this way is not part of Ohm’s Law.

A common misconception is that scientific hypotheses mature into theories, which mature to facts or laws. Instead, facts (the observations from an experiment, for example) lead to hypotheses (a plausible but immature explanation), which lead to theories (well-evidenced explanations). In the category of scientific explanations, a theory is as good as it gets and it doesn’t graduate to become a law.

It’s a little wrong to say a tomato is a vegetable;
it’s very wrong to say it’s a suspension bridge.
— Stuart on Big Bang Theory

(This is an update of a post that originally appeared 2/27/12.)

Photo credit: Marvin (PA)

WHAT God? Religion Keeps Not Finding Him.

This colorful drawing is a tree of world religions. From a poorly understood past, represented as the twisting vines of ideology in the trunk, the myriad human interpretations of the divine are shown branching out like tendrils on a vine, groping for something to grab on to. Searching, searching, but never finding. New tendrils reach out with the never-ending confidence that they’re the one true religion.

Example 1: Tree of religion

The trunk expands into named religions 3000 years ago. Here’s one small fragment (the outer shell is the present day, with modern denominations in green, and each curved gray line represents 100 years of evolution):

The tree details the evolution of the great Asian and Middle Eastern religions. Though it ignores religion from the Americas, Africa, and the Pacific, it makes a heroic attempt at what it does attempt to cover. It nicely documents the complex project that human religion has become.

Example 2: Church’s many views of government

Consider a very different look at the varieties of church. This one plots American Christian churches on a two-axis chart. The axes consider how big a role government should play in providing social services vs. how big a role it should play in imposing morality.

Here again, we see the dramatic differences in the many variant forms of American Christianity. For example,

  • The Southern Baptist, LDS, and Church of Christ want more government involvement in morality but fewer social services.
  • Unitarians want the reverse: more social services provided by government but less government involvement in morality
  • Black churches want both: more government services and more legislation of morality
  • Anglicans, Congregationalists, and Presbyterians (PCUSA) want neither

Example 3: Map of World Religions

Don’t forget the Map of World Religions (longer discussion here). Contrast the stable map of world religions (Roman Catholics in red over here, Hindus in green over there, and so on) with the map of world science, which is just one color. New and better ideas sweep the world of science within a decade or two, but an established religion isn’t interested in better ideas. It already thinks it has the truth and has no interest in changing.

Search for the truth

If religious claims were as obviously correct as the claim that the sun exists, everyone would quickly agree. That’s not the world we live in.

Alright then, suppose that religious truth does indeed exist, but it’s fuzzy or cloudy. We see, but as if “through a glass, darkly.” Why then aren’t worldwide religious beliefs at least converging on the truth? It would be like evolution, with false beliefs gradually falling away and correct beliefs encouraged and strengthened, either by divine intervention or because they matched up better with reality.

The tree of world religions above makes clear that religion is doing the opposite—diverging instead of converging. Christianity has fragmented and morphed over time as new cults and sects form. We see that same fertility in other religions. The only commonality we see across religions is humans’ interest in the supernatural.

This disconnect between religion and the reality that would ground it makes plain that religion is just a man-made institution.

Asking which [religion] has the best evidence
would be like asking which of the Three Stooges was the smartest.
— commenter Greg G.

Photo credit: The 40 Foundation

The Hypothetical God Fallacy + The Problem of Evil

problem of evilThis is the conclusion of a response to an article about the Problem of Evil by apologist Mikel Del Rosario (read part 1 of this response here).

Del Rosario raises three points. Let’s continue with his point #2.

2. The Problem of Evil Doesn’t Mean There’s No God

The Christian worldview gives us another option that atheists often leave out of the equation. … God can have good reasons for allowing evil—even if we don’t know what those reasons are.

This error is so common that it needs a name, so I’ll name it: the Hypothetical God Fallacy. Sure, if we presuppose an omniscient God, this gets us out of every possible jam in which God looks bad. Banda Aceh tsunami? God could’ve had good reasons. A young mother, beloved in her community, dies suddenly and leaves behind a husband and three children? A result of God’s good reasons. Genocide demanded and slavery accepted in the Old Testament? World War? Plane crash? Missing keys?

God.

This short article is peppered with this fallacy. React to it as an allergen:

If God is good and evil exists …

The mere fact that I can’t figure out why God allows some of the things to happen that he does … is not warrant for the conclusion that he’s got no such reasons.

It actually takes some humility to admit the role of human finiteness in understanding why God allows evil.

Just because something might seem pointless to us, doesn’t mean God can’t have a morally justified reason for it.

Yes, bad things in the world don’t force the conclusion that God can’t exist. Fortunately, I don’t draw such a conclusion. And yes, if God exists, he could have his reasons for things that we don’t understand.

The Hypothetical God Fallacy is a fallacy because no one interested in the truth starts with a conclusion (God exists) and then arranges the facts to support that conclusion. That’s backwards. Rather, the truth seeker starts with the facts and then follows them to their conclusion. (I’ve written more here.)

If God exists, he could have terrific reasons for why there’s so much gratuitous evil in the world. The same could be true for the Invisible Pink Unicorn (glitter be upon Him). Neither approach does anything to support a belief chosen beforehand.

3. The Problem of Evil Isn’t Just a Christian Problem

The Problem of Evil isn’t just a Christian problem. Evil is everybody’s problem!

Then you don’t know what the Problem of Evil is, because it is precisely just a Christian problem. The Problem of Evil asks, How can a good God allow all the gratuitous evil we see in our world? Drop the God presupposition, and the problem goes away.

You could ask the different question, How does an atheist explain the bad in the world? Quick answer: shit happens. Some is bad luck (mechanical problem causes a car accident), some is natural (flood), some is caused by other people (jerky coworker badmouths you to the boss and you don’t get the promotion), and some is caused by you (you didn’t bother getting the flood insurance). Adding God to the equation explains nothing and introduces the Problem of Evil so that you’re worse off than when you started.

Del Rosario again:

If atheism is true, there’s no basis for objective moral values and duties.

Sounds right, but why imagine that objective moral values exist, besides wishful thinking? What many apologists perceive as objective moral values are actually just shared moral values. That we share moral values isn’t too surprising since we’re all the same species. Nothing supernatural is required.

Del Rosario stumbles over another issue with morality.

You couldn’t have any kind of real, moral grounding to call it objectively evil—if atheism is true.

He’s using “real” to mean ultimate or objective. And here again, the ball’s in his court to convince us of his remarkable claim that objective morality exists and that everyone can access it. (Suggestion: find a resolution to the abortion problem that is universally acceptable. If there’s not a single correct resolution then it’s not an objective moral truth, and if we can’t reliably access it, then it’s useless.)

As for the ordinary, everyday sort of moral grounding, the kind that both Christians and atheists use, you’ll find that in the dictionary. Look up “morality,” and you’ll read nothing about objective grounding.

We have one final challenge:

The atheist position’s got another problem to deal with: The Problem of Good. In other words, naturalism has the challenge of providing a sufficient moral grounding for goodness itself—in addition to making sense of evil in the world. And that’s a pretty tall order for a philosophy with absolutely no room for God.

What’s difficult? We’re good because of evolution. We’re social animals, like wolves and chimpanzees, so we have cooperative traits like honesty, cooperation, sympathy, trustworthiness, and so on.

The God hypothesis adds nothing to the conversation, and we must watch out for it being smuggled in as a presupposition. And we’re back where we started from, wondering where the good Christian arguments are.

You don’t need religion to have morals.
If you can’t determine right from wrong
then you lack empathy, not religion.
(seen on the internet)

Photo credit: Wikipedia

Don’t Like Abortion? Then Support Sex Education.

There’s a reality disconnect within the pro-life community. They reject abortion while they also reject the solution to abortion, sex education. Is abortion an American Holocaust, as Ray Comfort claims? If so, then join forces with the pro-choice camp and teach teens how to avoid it!

Being against abortion but rejecting sex education is like being against deaths through unclean water but rejecting sewer systems.

Here’s an excellent infographic on sex education. Pass it on.

Created by publichealthdegree.com

Sometimes you feel like you don’t even have words
to be able to describe how amazing it was,
how awesome it was to see God manifest his power.…
God is bigger even than science.
— staffer at Decatur, GA church
where a man’s life was saved
by EMTs

(This is an update of a post that originally appeared 2/24/12.)