A nesting pair of Laysan albatrosses. Birds are vaunted for their monogamy. (Larry Armstrong/Los Angeles Times)
What happens to a brain in love | Money worries killing our sex drive | Monogamy? Animals cheat
Only 3% to 5% of about 5,000 species of mammals -- humans among them -- form lifelong, monogamous bonds. But where there’s a will, there’s a way. (Ricardo DeAratanha/Los Angeles Times)
