| 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 |
Love is the drug for male finches Some people get their kicks from drugs and alcohol, but male birds seem to get equally high while serenading a mate feeds.newscientist.com |
Is commerce ripping the heart out of Valentine's Day? Thanks largely to resentment of commercial pressures, a large number of number of people won't be buying presents this Valentine's Day, researchers find feeds.newscientist.com |
In Cougar Territory, Cubs Take the Lead In a turnaround, young men now seem to be the ones lining up to date older women. nytimes.com |
Zoologger: Shrimp plays chicken with its sex change The peppermint shrimp changes from male to hermaphrodite – if nobody else will feeds.newscientist.com |