ecology and evolution

Marine life faces large-scale extinction risk


August 22nd, 2012 - 11:36 am ICT by IANS
Sydney, Aug 22 (IANS) Marine life faces far greater risk of large-scale extinctions than at any previous time in human history, world's leading marine scientists have warned.Researchers from Australia, United ... Read more...

Posted in Environment |

Indo-Pacific corals more resilient than Caribbean twins


July 13th, 2012 - 2:47 pm ICT by IANS
Sydney, July 13 (IANS) Corals of the Great Barrier Reef in Australia and Indo-Pacific region recover faster from stress than their Caribbean counterparts, say marine scientists."The main reason for this ... Read more...

Posted in Environment |

Extreme weather threatens rich ecosystems


April 1st, 2012 - 9:11 pm ICT by IANS
Stockholm, April 1 (IANS) Hurricanes, torrential downpours and droughts will become more frequent with global warming, threatening species especially in bio-diverse ecosystems and tropical rainforests.Flora and fauna will become extinct ... Read more...

Posted in Environment |

Warming Antarctic alters penguin breeding cycles


March 22nd, 2012 - 10:52 pm ICT by IANS
Washington, March 22 (IANS) Higher temperatures brought on by global warming are already affecting the breeding cycles of three penguin species sharing the Western Antarctic Peninsula. Heather Lynch, assistant professor ... Read more...

Posted in Uncategorized |

Daring animals hitchhike to colonise new lands


October 24th, 2011 - 3:37 pm ICT by IANS
Sydney, Oct 24 (IANS) Hitchhiking, believed to be the preserve of poets and wanderers, is also an activity undertaken by daring animals to explore and colonise new lands.David Chapple, Bob ... Read more...

Posted in World |

Cocaine production speeding up destruction of Colombia’s rainforests


February 10th, 2011 - 5:02 pm ICT by ANI
Washington, Feb 10 (ANI): Scientists have found that cultivating coca bushes, the source of cocaine, is speeding up destruction of rainforests in Colombia and threatening the region's "hotspots" of plant and animal ... Read more...

Posted in Health Science |

Why female squirrels are promiscuous


December 16th, 2010 - 2:54 pm ICT by ANI
Washington, Dec 16 (ANI): Scientists at the University of Guelph have finally discovered why female squirrels are so darn promiscuous.Turns out it has nothing to do with genes and everything to ... Read more...

Posted in Health Science |

Your personality type makes you docile or aggressive


October 11th, 2010 - 10:41 am ICT by IANS
London, Oct 11 (IANS) Are you docile or aggressive? Well, that depends on your personality type, says a new research."Some of us are couch potatoes while others are drawn to sport and ... Read more...

Posted in Sci-Tech |

Pitcher-plant-dwelling mosquito shows effects of Earth’s changing climate


August 25th, 2010 - 5:53 pm ICT by ANI
Washington, Aug 25 (ANI): Scientists at the University of Oregon have determined the genetic structure of the pitcher-plant-dwelling mosquito, the first animal to show an evolutionary response to rapid climate change.They ... Read more...

Posted in Health Science |

Fishes too make wrong mating choices


July 1st, 2010 - 1:41 am ICT by IANS
London, July 1 (IANS) When fish, on the hunt for a mate, have their vision restricted by high levels of pollution or algae, they chose the first mate they find, a new ... Read more...

Posted in Environment |

Scientists find new clues as to why animals grow bigger in the cold


February 25th, 2010 - 4:03 pm ICT by ANI
Washington, Feb 25 (ANI): Scientists have across new clues that offers new insight to Bergmann's rule that animals grow larger at high, cold latitudes than their counterparts closer to the equator.The ... Read more...

Posted in Health Science |

Global warming could make world more ‘fragrant’


February 10th, 2010 - 2:44 pm ICT by ANI
London, Feb 10 (ANI): A major scientific review has indicated that as a result of climate change, the world will become more 'fragrant'.As CO2 levels increase and the world warms, land use, ... Read more...

Posted in Health Science |

Roads are the biggest threat to tropical rainforests


October 26th, 2009 - 3:40 pm ICT by IANS
Sydney, Oct 26 (IANS) Roads, the most visible symbols of progress, are the biggest threat to the world's tropical rainforests, says a new study. "Clearing wide paths in any forest has a strong ... Read more...

Posted in Environment |

The Pill ‘turns women off macho men’


October 8th, 2009 - 12:09 pm ICT by ANI
Washington, Oct 8 (ANI): It gives women control over their sex lives. But now it seems the contraceptive pill is changing women's taste in men. A new study says females who take ... Read more...

Posted in Health Science |

Fires, humans threaten world’s last few pristine forests


August 26th, 2009 - 12:17 pm ICT by IANS
Sydney, Aug 26 (IANS) The world's last remaining "pristine" forests -- a huge swathe across Russia, Canada and other northern countries -- are under increasing threat from fire and human interference. Increased ... Read more...

Posted in Environment |

New species emerge just as often as they die out


August 1st, 2009 - 1:56 pm ICT by ANI
Washington, August 1 (ANI): A new study by paleontologists has statistically proven that new species emerge just as often as they die out, with most evolution occurring in small bursts.The study, by ... Read more...

Posted in Health Science |

Good male seed beetles make for bad dads


June 26th, 2009 - 5:49 pm ICT by ANI
Washington, June 26 (ANI): A new study on seed beetles has shown that, contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs.The study, ... Read more...

Posted in Health Science |

Men ‘are no more promiscuous than women’


April 25th, 2009 - 12:58 pm ICT by ANI
Washington, Apr 25 (ANI): The long standing belief that men are promiscuous and females are selective when choosing a mate is a myth, claims a new study.The research, published by Cell Press ... Read more...

Posted in Health Science |

Study casts light on injuries males mating organs cause in females


February 21st, 2009 - 6:15 pm ICT by ANI
Washington, February 21 (ANI): A new study by Uppsala University scientists shed new light on the injuries that the males mating organs cause in females. The researchers suggest that such injuries are ... Read more...

Posted in Health Science |

Sex is sickening for female fruit flies


February 20th, 2009 - 3:18 pm ICT by ANI
Washington, Feb 20 (ANI): A new study has shown that mating affects female fruit flies genes as well as immune systems.Uppsala University researchers have observed that during mating, the females'' genes ... Read more...

Posted in Health Science |

Feather colour may reveal survival strategy in birds


January 30th, 2009 - 2:53 pm ICT by ANI
London, Jan 30 (ANI): Researchers in France have shown that the colour of a bird''s feathers indicates the strategy its immune system uses to beat pathogens.Previously, pigments in feathers have been ... Read more...

Posted in Health Science |

Hind wings help butterflies make swift turns to evade predators


January 9th, 2009 - 1:50 pm ICT by ANI
Washington, Jan 9 (ANI): A new study has proposed that a butterflys hind wings help it to make swift turns to evade predators, just like new tires allow race cars to ... Read more...

Posted in Health Science |

Ocean is growing more acidic faster than previously thought


November 25th, 2008 - 12:40 pm ICT by ANI
Washington, Nov 25 (ANI): In a new research, scientists at the University of Chicago, US, have documented that the ocean is growing more acidic faster than previously thought.In addition, they have ... Read more...

Posted in National |

Genetic variation in syphilis bacteria may hold clinical, evolutionary significance


June 14th, 2008 - 1:17 pm ICT by ANI
Washington , June 14 (ANI): Researchers at Emory University , Atlanta , have discovered that variation in a gene called, acidic repeat protein (ARP), in syphilis causing bacteria may hold important ... Read more...

Posted in Health Science |

Gene suppression increases male-male courtship among fruit flies


May 27th, 2008 - 2:09 pm ICT by admin
Washington, May 27 (ANI): A new study has shown that inactivating a young gene known as sphinx increases male-male courtship among fruit flies, say University of Chicago researchers.The study was ... Read more...

Posted in Health Science |

Living dinosaur tuatara is fastest evolving animal


March 24th, 2008 - 12:20 pm ICT by admin
Sydney, March 24 (IANS) The tuatara of New Zealand, often called a "living dinosaur", has DNA evolving faster than any other animal yet examined, according to a new study. The study, by ... Read more...

Posted in World |

Researchers pronounce Tuatara the fastest evolving animal


March 21st, 2008 - 4:09 pm ICT by admin
Washington, March 21 (ANI): Evolutionary biologists at the Allan Wilson Centre for Molecular Ecology and Evolution say that they have recovered about 8000 years old DNA sequences from the bones of ... Read more...

Posted in Sports |

Siberian jays can assess, communicate about the behaviour of predators


January 10th, 2008 - 1:59 pm ICT by admin
Washington, Jan 10 (ANI): A new research has revealed that Siberian jays can assess and communicate about the behaviour of predators.Researchers at Uppsala University have discovered that with the help of various ... Read more...

Posted in Health Science |

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