| Dopamine blockers lead faithful voles astray The key to everlasting love may lie in the brain’s dopamine receptors – blocking them in monogamous prairie voles made them play the field pheedo.com |
Love stops partners from sleeping around Romantic thoughts about a regular partner help to keep us from straying into illicit sexual liaisons (full text available to subscribers) feeds.newscientist.com |
The Other Guy This week, answers to readers' questions about whether you should ignore someone you almost cheated with, your neighbor's pot habit and other issues. nytimes.com |
Fathers aren't dispensable just yet You may be tempted to think men are becoming an optional extra in the mating game, but biochemical evidence suggests that fathers play a key role in rearing children (full text available to subscribers) feeds.newscientist.com |
Debate over gender disorder drug A drug for preventing "abnormal" genitalia in girls has raised ethical issues in the US feeds.newscientist.com |