| Hormones converge for couples in love Men in love have lower levels of the male sex hormone, whereas testosterone rises in love-struck women pheedo.com |
Go online to find your future spouse The internet has overtaken more traditional avenues for people in the US to find their perfect mate feeds.newscientist.com |
Spanking 'brings couples together' Stress associated with sadomasochistic activities soon dies away, hormone studies show, and couples report increases in relationship closeness feeds.newscientist.com |
Crabs trade sex for protection This helps to explain how females defend their territory just as successfully as males despite their smaller claws feeds.newscientist.com |
Cancer guardian found playing a role in sex Dubbed the "guardian of the genome" for its role in keeping cells from turning cancerous, protein 53 is also needed to make eggs and sperm feeds.newscientist.com |