| A Kiss Too Far? For same-sex couples, simple public displays of affection are fraught. nytimes.com |
'Cuddle chemical' could treat mental illness Feed the brain a chemical linked with love, trust and affection and all sorts of magical things happen. Maia Szalavitz reports (full text available to subscribers) pheedo.com |
Love at the Door Even when it’s couched as a matter of convenience, giving a significant other the key to your home often carries deep meaning. nytimes.com |
Too much testosterone disrupts family life Men with lots of testosterone in their bodies tend to give their children less attention compared to those with less of the hormone feeds.newscientist.com |
Post-coital warfare: insect semen kills rival sperm Males of some social insects carry on the fight for females after insemination: their seminal fluid harms sperm of other males, but not their own feeds.newscientist.com |