mass extinction event

Biodiversity crisis overshadows climate changes


January 20th, 2012 - 6:13 pm ICT by IANS
London, Jan 20 (IANS) The challenges of conserving the world's species against their rapid decline are perhaps even larger than mitigating the negative effects of global climate change, scientists ... Read more...

Posted in Sci-Tech |

Dinosaurs probably had lice: Study


April 6th, 2011 - 12:57 pm ICT by ANI
Washington, April 6 (ANI): A new study opens up the possibility that dinosaurs were early - perhaps even the first - animal hosts of lice.Scientists, who used fossils and molecular data to ... Read more...

Posted in Health Science |

How dinosaurs conquered the world!


October 7th, 2010 - 1:40 pm ICT by IANS
By Gurmukh Singh Toronto, Oct 7 IANS) Dinosaurs didn't need to kill other animals to become world beaters, says new research.According to Canadian and US scientists, dinosaurs - the most powerful creature ever ... Read more...

Posted in Environment |

Fossil find suggests dino not as fierce as thought


October 7th, 2010 - 12:04 pm ICT by ANI
Washington, Oct 7 (ANI): A new fossil discovery has led scientists to believe that dinosaurs did not spread throughout the world by overpowering other species, but by taking advantage of a natural ... Read more...

Posted in Health Science |

Mass extinctions “change evolution rules”


September 5th, 2010 - 5:11 pm ICT by ANI
Washington, Sept5 (ANI): A new study from Macquarie University has analyzed why global mass extinctions occur - whether they are just short-term diversions in life's preordained course, or spring up completely new ... Read more...

Posted in Health Science |

Giant fossils challenge “lilliput effect” in animals after greatest mass extinction


February 12th, 2010 - 5:52 pm ICT by ANI
Washington, Feb 12 (ANI): The discovery of large-sized fossils dating back to only 1 million years after the greatest mass extinction of all time, has called into question the existence of a ... Read more...

Posted in Health Science |

Aznalcollar disaster compared with 65 mln yr old mass extinction event


February 3rd, 2010 - 1:22 pm ICT by ANI
Washington, February 3 (ANI): A team of scientists from the University of Granada (UGR) has compared the disaster caused by the Aznalcollar spillage in the Donana National Park in Andalusia 11 years ... Read more...

Posted in Health Science |

Mass extinction event in North America occurred in a ‘geological instant’


November 28th, 2009 - 1:26 pm ICT by ANI
Washington, November 28 (ANI): In a new research, a team of scientists has determined that the mass extinction event in North America, in which over 50 percent of large mammal species were ... Read more...

Posted in Health Science |

Conservation targets too small to stop extinction


October 14th, 2009 - 1:53 pm ICT by ANI
Washington, October 14 (ANI): A new study indicates that conservation biologists are setting their minimum population size targets too low to prevent extinction.The study, by University of Adelaide and Macquarie University scientists, ... Read more...

Posted in Health Science |

Algae survived dino-killing mass extinction event 65 million years ago


October 3rd, 2009 - 1:56 pm ICT by ANI
Washington, October 3 (ANI): In a new research, a team of scientists has found out that at least some forms of microscopic marine life like algae survived the mass extinction event caused ... Read more...

Posted in Health Science |

Cosmic impact caused mass extinction event in North America 12,900 years ago


July 21st, 2009 - 4:13 pm ICT by ANI
Washington, July 21 (ANI): A team of scientists has found what may be the smoking gun of a much-debated proposal that a cosmic impact about 12,900 years ago ripped through North America ... Read more...

Posted in Health Science |

Giant volcanic eruption 260 mln yrs ago may have caused global mass extinction


May 29th, 2009 - 12:02 pm ICT by ANI
Washington, May 29 (ANI): Scientists at the University of Leeds in the UK have uncovered a previously unknown giant volcanic eruption that led to global mass extinction 260 million years ago.The eruption ... Read more...

Posted in Health Science |

Dinos may have survived extinction in ‘lost world’ in America


April 28th, 2009 - 2:16 pm ICT by ANI
Washington, April 28 (ANI): New scientific evidence suggests that dinosaur bones from the Ojo Alamo Sandstone in the San Juan Basin, USA, date from after the mass extinction event, and that dinos ... Read more...

Posted in Health Science |

Asteroid hit didn’t cause dinosaurs’ extinction: Study


April 27th, 2009 - 4:58 pm ICT by IANS
Washington, April 27 (IANS) An asteroid hit which caused the vast Chicxulub crater 65 million years ago, might not have actually wiped out the dinosaurs, along with 65 percent of all species, ... Read more...

Posted in Environment |

Meteor impact didn’t kill dinos 65 mln yrs ago, claim scientists


April 27th, 2009 - 1:50 pm ICT by ANI
Washington, April 27 (ANI): In a new research, scientists have challenged the theory that a meteor impact 65 million years back killed off the dinosaurs in a mass extinction event.The crater, caused ... Read more...

Posted in Health Science |

Gamma-ray burst may have caused mass extinction 440 million years ago


April 4th, 2009 - 12:47 pm ICT by ANI
Washington, April 4 (ANI): A new study has suggested that a brilliant burst of gamma rays may have caused a mass extinction event on Earth 440 million years ago, and a ... Read more...

Posted in Health Science |

Birds outlived dinos because of superior brainpower


February 3rd, 2009 - 1:01 pm ICT by ANI
Washington, Feb 3 (ANI): A new study has suggested that birds survived the global catastrophe that wiped out their dinosaur relatives due to superior brainpower.According to a report in National Geographic ... Read more...

Posted in Health Science |

Dino extinction event may have been caused by magnetic chaos


December 13th, 2008 - 2:20 pm ICT by ANI
Washington, Dec 13 (ANI): A new theory has suggested that the mass extinction event that killed the dinosaurs 250 million years ago, was caused by the Earths magnetic field going into ... Read more...

Posted in Health Science |

Mystery of 252 million yr old massive global extinction event solved


October 2nd, 2008 - 12:19 pm ICT by ANI
Washington, October 2 (ANI): Researchers at the University of Calgary has solved the mystery of the massive global extinction event 252 million years ago, by discovering that the shorelines of ancient ... Read more...

Posted in South Asia |

Dying amphibians signal impending biodiversity crisis


August 13th, 2008 - 2:16 pm ICT by IANS
Washington, Aug 13 (IANS) An alarming decline in amphibian species signals an impending biodiversity disaster or a new mass extinction threatening the planet, according to University of California researchers. "There's no question ... Read more...

Posted in World |

Mass decline of frog populations a sign of global biodiversity disaster


August 13th, 2008 - 1:36 pm ICT by ANI
Washington, August 13 (ANI): Researchers from the University of California, Berkley, US, have suggested that the devastating declines of amphibian species around the world are a sign of a large-scale biodiversity ... Read more...

Posted in Life Style |

Volcanic eruption in Deccan plateau may have caused dino extinction


March 21st, 2008 - 1:40 pm ICT by admin
London, March 21 (ANI): A new research in the Deccan Traps in India, has suggested that the mass extinction of the dinosaurs at the end of the Cretaceous period may have ... Read more...

Posted in National |

Global warming caused marine mass extinction event 251 million years ago


November 27th, 2007 - 2:15 pm ICT by admin
Washington, Nov 27 (ANI): Researchers have discovered that the mass extinction event in oceans at the end of the Permian period about 251 million years ago happened because of a slow, drawn ... Read more...

Posted in Health Science |

Deccan volcanic eruption behind mass extinction of dinos


November 14th, 2007 - 8:08 am ICT by admin
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Posted in Sci-Tech |

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