Word: geneses
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Over the past 137 years, scientists have learned again and again the value of Darwin's perspective. One of the best ways to appreciate what it means to be human is to learn about how human abilities came to be. No other species uses full-blown language, for example. But...
Losing our faculties over a matter like sex ought not to make much sense for a species like ours that relies on its wits. A savanna full of predators, after all, was not a place to get distracted. But the lure of losing our faculties is one of the things...
If human reproductive behavior is a complicated thing, part of the reason is that it's designed to serve two clashing purposes. On the one hand, we're driven to mate a lot. On the other hand, we want to mate well so that our offspring survive. If you're...
Scent not only tells males which females are primed to conceive, but it also lets both sexes narrow their choices of potential partners. Among the constellation of genes that control the immune system are those known as the major histocompatibility complex (MHC), which influence tissue rejection. Conceive a child with...
If we've succeeded in becoming such efficient reproductive machines--equipped with both a generous appetite for mates and a cool ability to screen them for genetic qualities--why muddy things up with romance? For one thing, we may not be able to help it. Just being attracted to someone...