Picky female sparrows may be more unfaithful

Picky female sparrows may be more unfaithful, new Imperial research suggests. Cheating on social partners is common in birds, and there are clear benefits to males who can raise more offspring without investing in their care. ...

Study highlights risks of living together before engagement

More than half of Americans believe that moving in with a significant other before tying the knot is a good idea—that cohabitation before marriage or even engagement can increase their changes of a happy and successful ...

More women than men move out after widowhood, study finds

Significantly more women than men move out when their partners pass away. This, according to a University of Copenhagen study that investigates the settlement patterns of Danish widows and widowers. According to the researcher, ...

Female monkeys with female friends live longer

Female white-faced capuchin monkeys living in the tropical dry forests of northwestern Costa Rica may have figured out the secret to a longer life—having fellow females as friends.

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