Word: behaviors
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...studies--we still want to believe that science will never tame romance. We're sure that it will always remain utterly separate from the cells and organs and reflexes that biologists study. And indeed, how could anything that so moves us to poetry and song be so reducible to behavior and chemicals...
...Love HuntIf 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 a female, you get only a few rolls of the reproductive dice in a lifetime. If you're a male, your freedom to conceive is limited only by the availability of willing partners, but the demands of providing for too big a brood are a powerful incentive to limit...
...just women who respond to such olfactory cues. One surprising study published last October in the journal Evolution and Human Behavior showed that strippers who are ovulating average $70 in tips per hour; those who are menstruating make $35; those who are not ovulating or menstruating make $50. Other studies suggest that men can react in more romantic ways to olfactory signals. In work conducted by Martie Haselton, an associate professor of psychology at UCLA, women report that when they're ovulating, their partners are more loving and attentive and, significantly, more jealous of other men. "The men are picking...
...that simply knowing you look appealing encourages you to develop a voice to match. Causation and mere correlation often get muddied in studies like this, but either way, a sexy voice at least appears to sell the goods. "It might convey subtle information about body configuration and sexual behavior," says psychologist Gordon Gallup, who co-authored the study...
...fMRI scans of people who are not just in love but newly in love and have found that their ventral tegmental areas are working particularly hard. "This little factory near the base of the brain is sending dopamine to higher regions," she says. "It creates craving, motivation, goal-oriented behavior-and ecstasy...