by Maarten Boudry
Science education is an uphill battle. More than 40% percent of the U.S. population, one of the most scientifically advanced countries on the planet, believes that the earth was created in six days by supernatural fiat a few millennia ago. Ghosts, gods, angels and devils continue to populate people’s fertile imagination. Belief in telepathy and assorted psychic powers is rampant, as is belief in all sorts of quack medicine and conspiracy theories. It is no wonder that some scientists and science educators are driven to desperation: why don’t people just get it? Why do they doggedly persist in the myths of old, or the fads of late, as if the scientific revolution has never taken place?
Meanwhile, the progress of science continues unabated, with an ironic twist. Science does not just explain the way the universe is; it also explains why people continue to think the universe is different than it is. In other words, science is now trying to explain its own failure in persuading the population at large of its truth claims. Decades of research in cognitive psychology have revealed that our brains, alas, are just not wired up for science. Or at least not for the fruits of scientific research. To be sure, science is a product of human brains (where else would it come from?), but as scientists have made progress, they have come up with theories and views that are increasingly hard to swallow for those same brains. Take evolutionary theory, a crowning achievement of science. Our minds are prone to find purpose in nature (intuitive teleology), but evolution says there isn’t any: all is blind chance, mindless necessity and pitiless indifference. Our minds like to think of biological species as immutable categories separated by unbridgeable chasms (intuitive essentialism), but evolutionary theory just talks about imperceptibly shifting populations and changes in gene frequencies. Our minds can just about conceive of a thousand years, but scientists estimate that life on earth has been evolving since 3.8 thousand times thousand times thousand years ago. It’s hard to get your puny human brain around such things.
In Why Religion is Natural and Science is Not, philosopher Robert McCauley offers ample demonstrations of the truth of his book title. Many scientific theories run roughshod over our deepest intuitions. Lewis Wolpert even remarked that “I would almost contend that if something fits with common sense it almost certainly isn't science.” It is not so much that the universe is inimical to our deepest intuitions, it’s that it does not care a whit about them (it’s nothing personal, strictly business). And it gets worse as we go along. Newton’s principle of inertia was already hard to get your head around (uniform motion continuing indefinitely?), but think about the curvature of space-time in general relativity, or the bizarre phenomena of quantum mechanics, which baffle even the scientists who spend a lifetime thinking about them. Science does not have much going for it in the way of intuitive appeal.
