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...voles - may play a role in infidelity. It's called the vasopressin receptor gene. The prairie vole, which is monogamous, bonds with one female for life, even if he's presented with other, fertile females. His cousin, the montane vole, is kind of a hit-and-run guy. He doesn't stick around at all. Scientists found that the montane vole had a short version of the vasopressin receptor gene, and the monogamous one had a long version of it. They then took the [long] gene from the monogamous one and injected it into the brains of the promiscuous...
...Doesn't suggesting that a propensity to cheat is hard-wired in some guys give unfaithful husbands the perfect excuse? I don't think it lets you escape responsibility, but I think it lets one honor that underlying impulse and then realize why it's so important to have all the religious and social principles that we're raised with. No matter what [a boy's] genes are, we need to be laying out good role models for how one behaves in one's life. I feel very strongly: this is not an excuse for men to behave badly...
...circuits. By the time the baby is born, he's able to hear infant cries much better. So something about his auditory-perceptual system has actually changed. His sex drive has gone down along with his testosterone. Therefore his brain is being primed to be a caretaker. If he doesn't get some alone time [after birth] with the baby, however, the daddy brain won't develop fully...
Zainabadi doesn't plan on stopping there. He said that he's working on expanding the text messaging component of their service and, within the next few weeks, even releasing an iPhone app. So if your entourage doesn't pick up, don't worry—you'll always have InstantNightlife to text...
...START reintroduced nuclear parity as a central element of U.S. and Russian strategic relations," says Hans Kristensen of the Federation of American Scientists. "Both countries have to be careful that it doesn't lock them into strategic postures that are too dependent on the other side...