One of the great frustrations faced by science writers is that, more often than not, we’re preaching to the choir. People who really need to be exposed to critical scientific information regarding homosexuality are, frankly, either too unintelligent to understand the research or—more unforgivably—they’re perfectly smart enough, it’s just that they’re too incurious about the deep complexities of human psychology to bother to learn. Now, for many subject areas in science, such cognitive dullards and intellectual sloths are easy to ignore, even when they display remarkable naivete. To be unaware of the chemical composition of water, for instance, is certainly sad, but such ignorance is usually pretty harmless. But with a basic scientific understanding of sexual orientation, ignorance can be sinister. Knowledge may not trump hatred in all cases, but for most reasonable individuals, it tends to facilitate humanity.