Washington, Sept 23 : Ever wondered why a song sounds sexy sometimes and annoying at other times? Well, a study on songbirds has shed new light on this question, showing that a change in hormone levels may affect the way we perceive social cues.
Emory University’s Donna Maney, who used white-throated sparrows for the study, says that the changes in hormone levels affect the perception by altering a system of brain nuclei, common to all vertebrates, called the ‘social behaviour network.’
"Social behaviours such as courtship, parenting and aggression depend primarily on two factors: a social signal to trigger the behaviour, and a hormonal milieu that facilitates or permits it," said the study leader.
Republican presidential candidate John McCain and his running mate Sarah Palin disagree on the question of climate change, as the Alaska Governor has focused on how to adapt to global warming rather than how to combat it.
London, Sept 23: The recent US’ raids inside Pakistani territory aimed at eliminating suspected terrorists but killed innocent civilians in the action, led to Saturday’s hotel blast in Islamabad killing 60 people, Pakistan's ambassador to the UK Wajid Shamsul Hassan, has said.
Washington, Sep 23: Republican presidential candidate John McCain’s campaign and his supporter at a rally have separately accused the press of favoring his Democratic rival Barack Obama.
million-year period in northern Pakistan has suggested that two species of giraffe, several rhinos and five elephant relatives, along with multitudes of rodents, bush pigs, horses, antelope and apes, once inhabited the region.
