First flush of love not emotional
A new brain scanning study shows that initial brain activity in love-struck people relates to motivation and reward, not emotion pheedo.com |
Why fertile women hate a pretty face
Women of childbearing age rate other attractive women consistently lower than menopausal women - sexual competition may be the cause feeds.newscientist.com |
Everything you always wanted to know about female ejaculation (but were afraid to ask)
There's good evidence that women can ejaculate some kind of fluid during orgasm, but we're only just starting to understand how and why it happens feeds.newscientist.com |
Intense males have the best sperm
Vibrant plumage is not only a sexual ornament for male great tits – it signals the quality of the birds' sperm feeds.newscientist.com |
Birds use optical illusions to get mates
Male bowerbirds play tricks with perspective in attempts to woo females feeds.newscientist.com |