evolutionary tree

Succulent plants emerged after Earth cooled, dried up


May 4th, 2011 - 5:57 pm ICT by ANI
Washington, May 4 (ANI): A team of biologists have determined that cacti, succulent plants and tropical grasses emerged as the Earth cooled, increased in aridity, and had lower atmospheric carbon-dioxide levels.Brown University ... Read more...

Posted in Health Science |

Mosquito, house fly share common ancestry


April 3rd, 2011 - 2:24 pm ICT by ANI
Washington, April 03 (ANI): The mosquito branched off the same evolutionary tree as the housefly around 220 million years ago, according to a new study.Some may think that the mosquito and the ... Read more...

Posted in Health Science |

House fly, mosquito share common ancestry


March 24th, 2011 - 1:20 pm ICT by IANS
Sydney, March 24 (IANS) Mosquito and the house fly share a common ancestry.The mosquito branched off from the same evolutionary tree as the house fly around 220 million years ago.Though ... Read more...

Posted in Environment |

Dinos witnessed Oz bushfires that appeared 50mn yrs earlier than thought


February 16th, 2011 - 12:25 pm ICT by ANI
Melbourne, Feb 16 (ANI): A new study has found that bushfires appeared in Australia more than 50 million years earlier than thought, which means that dinosaurs were witness to these events.Using fossilised ... Read more...

Posted in Health Science |

100-million-year-old gene mutation provides snapshot of evolution


October 19th, 2010 - 5:50 pm ICT by ANI
Washington, Oct 19 (ANI): Researchers have uncovered a snapshot of evolution in progress, by tracing how a gene mutation over 100 million years ago led flowers to make male and female parts ... Read more...

Posted in Health Science |

Freezable fruit fly created to extend organ donor shelf life


August 20th, 2010 - 4:22 pm ICT by ANI
Washington, Aug 20 (ANI): A team of Rutgers-Camden biologists is working to engineer cold tolerant fruit flies and ultimately human cells within the next three years.The research breakthrough can be credited to ... Read more...

Posted in Health Science |

New fossil material reveals Azendohsaurus as an early reptile, not a dinosaur


May 19th, 2010 - 3:14 pm ICT by ANI
Washington, May 19 (ANI): New fossil material has revealed that Azendohsaurus was not a dinosaur, but a peculiar early reptile.A careful new analysis of A. madagaskarensis-this time based on the entire skull ... Read more...

Posted in Health Science |

Neanderthals might have interbred with modern humans


April 21st, 2010 - 1:02 pm ICT by ANI
London, Apr 21 (ANI): Archaic humans such as Neanderthals interbred with the ancestors of modern humans twice, leaving their genes within the DNA of people today, according to a genetic analysis of ... Read more...

Posted in Health Science |

New species of homonid to shed light on earliest humans


April 9th, 2010 - 3:50 pm ICT by IANS
Washington, April 9 (IANS) Scientists have stumbled on a new species of hominid in an area of South Africa known as the Cradle of Humankind, providing unique insight in the period when ... Read more...

Posted in Sci-Tech |

How tropical grasses originated around 30 mln yrs ago


February 9th, 2010 - 4:51 pm ICT by ANI
Washington, Feb 9 (ANI): In a new research, scientists have solved the mystery of how tropical grasses originated around 30 to 40 million years ago.The research was carried out by Edwards and ... Read more...

Posted in Health Science |

Presence of ancient molecules in animals hints at early origin of tissues


February 2nd, 2010 - 6:03 pm ICT by ANI
Washington, Feb 2 (ANI): In a new study, scientists have found that small RNA molecules that existed 600 million years ago are in animals alive today, thus providing a bigger picture of ... Read more...

Posted in Health Science |

Studying rotting fish can shed new light on humans’ earliest ancestry


February 1st, 2010 - 2:55 pm ICT by ANI
Washington, Feb 1 (ANI): A team of paleontologists has discovered that studying rotting fish can shed new light on our earliest ancestry.The researchers, from the Department of Geology at the University ... Read more...

Posted in Health Science |

Most loved and hated science stories of 2009


December 30th, 2009 - 12:49 pm ICT by ANI
Washington, December 30 (ANI): A recent article in Live Science has outlined the list of the most loved and hated science stories of the year 2009.At number 9 is the story that ... Read more...

Posted in Health Science |

Indian-American uses supercomputer to make HIV evolutionary tree


October 28th, 2009 - 7:48 pm ICT by IANS
Washington, October 28 (IANS) Researchers are deploying 'Roadrunner', the world fastest supercomputer, to analyse vast quantities of genetic sequences from HIV infected people in the hope of zeroing in on possible vaccine ... Read more...

Posted in Sci-Tech |

World’s fastest supercomputer to create largest HIV evolutionary tree


October 28th, 2009 - 1:04 pm ICT by ANI
Washington, October 28 (ANI): Scientists are using the Roadrunner supercomputer, which is the world's fastest supercomputer, to analyze vast quantities of genetic sequences from HIV infected people in the hope of zeroing ... Read more...

Posted in Health Science |

Largest orb-weaving spider discovered in South Africa


October 21st, 2009 - 12:40 pm ICT by ANI
Washington, October 21 (ANI): Scientists from the United States and Slovenia have discovered the largest orb-weaving spider in South Africa.The spider belongs to the Nephila species, and researchers have shown that on ... Read more...

Posted in Health Science |

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 |

How ferocious piranhas got their fearful bite


June 26th, 2009 - 12:29 pm ICT by ANI
Washington, June 26 (ANI): Researchers from Argentina, the US and Venezuela have uncovered the jawbone of a striking transitional fossil that sheds light on how the ferocious piranhas got their teeth.Named 'Megapiranha ... Read more...

Posted in Health Science |

47-mln-yr-old fossil “missing link” between humans and lemurs


May 20th, 2009 - 11:44 am ICT by ANI
Washington, May 20 (ANI): The analysis of a 47-million-year-old fossil, dubbed "Ida", has led paleontologists to suggest that it is a critical "missing link" species in primate evolution, which connects humans ... Read more...

Posted in Health Science |

Scientists claim their knowledge of evolution of dinos is very, very good


January 30th, 2009 - 12:52 pm ICT by ANI
Washington, Jan 30 (ANI): A new study by researchers at the University of Bath and Londons Natural History Museum has found that scientists knowledge of the evolution of dinosaurs is remarkably ... Read more...

Posted in Health Science |

Mum was right about believing head lice were superbugs


January 27th, 2009 - 5:21 pm ICT by ANI
Melbourne, Jan 27 (ANI): A new study has confirmed what many parents already knew head louse is a super bug.According to lead researcher Stephen Barker, Associate Professor from the University of ... Read more...

Posted in Health Science |

New ant species discovered in the Amazon likely to be descendant of the first ant


September 16th, 2008 - 1:46 pm ICT by ANI
Washington, September 16 (ANI): A biologist has discovered a new species of blind, subterranean, predatory ant in the Amazon rainforest, which is most likely a descendant of the very first ants ... Read more...

Posted in World |

Scientists explain evolutionary mystery behind bizarre eyed flatfish


July 10th, 2008 - 5:49 pm ICT by ANI
Washington, July 10 (ANI): Scientists have explained the evolutionary mystery behind the asymmetrical arrangement of eyes on one side of the head of the flatfish. All adult flatfishes, including the gastronomically familiar ... Read more...

Posted in Entertainment |

Increased brain size arose independently in isolated groups of primates


July 10th, 2008 - 1:37 pm ICT by ANI
Washington, July 10 (ANI): A new research has determined that one of the hallmarks of primate biology, increased brain size, arose independently in isolated groupsthe platyrrhines of the Americas and the ... Read more...

Posted in Life Style |

Biologists redraw entire bird evolutionary tree


June 27th, 2008 - 1:28 pm ICT by ANI
London, June 27 (ANI): A new study by biologists has completely redrawn the bird evolutionary tree, with the largest study of bird genetics ever completed.According to a report in New Scientist, ... Read more...

Posted in Health Science |

Common building blocks of flowering plants evolved independently on evolutionary tree


May 28th, 2008 - 1:56 pm ICT by admin
Washington, May 28 (ANI): Purdue University researchers have unearthed evidence that a fundamental building block in the cells of flowering plants, known as syringyl lignin, evolved independently but almost identically on ... Read more...

Posted in World |

T-Rex linked to birds: Study


April 25th, 2008 - 5:47 pm ICT by admin
Washington, April 25 (IANS) The fearsome T-Rex sharing a common ancestry with something as tiny and timid as chickens would have been laughed out of hand. But the latest evidence, based on ... Read more...

Posted in World |

Freshwater herring might have originated from sea


April 23rd, 2008 - 6:54 pm ICT by admin
Washington, April 23 (ANI): A researcher at the University of Zurich has traced the origins of the freshwater herring of an East African lake to a marine invasion which occurred in ... Read more...

Posted in Health Science |

Study reveals ants as fungus farmers


March 25th, 2008 - 12:30 pm ICT by admin
Washington, March 25 (ANI): A study by scientists at the Smithsonians National Museum of Natural History in US, has provided new insight into the agricultural abilities of ants by determining that ... Read more...

Posted in National |

Like humans, chimps too have cultural differences among colonies


January 10th, 2008 - 1:39 pm ICT by admin
Washington, Jan 10 (ANI): Its not just humans who have cultural differences, for a new study has suggested that socially learned cultural behaviour is also found among chimpanzees colonies.The study, led by ... Read more...

Posted in Health Science |

How the tiny beetle survived when the mighty dinosaur couldnt


December 21st, 2007 - 2:58 pm ICT by admin
Washington, Dec 21 (ANI): A new research has shown that beetles first appeared on Earth at the same time as the earliest dinosaurs but turned out to be much better survivors.Researchers said ... Read more...

Posted in Health Science |

Primitive relative of armadillo identified by scientists


December 13th, 2007 - 1:06 pm ICT by admin
Washington, Dec 13 (ANI): A team of scientists has identified the fossilized remains of an extinct mammal as being a primitive relative of armadillos.The fossil was found at the unusually high elevation ... Read more...

Posted in Health Science |

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