Jeanne Romero-Severson, associate professor of biological sciences at the University of Notre Dame, and her collaborators, are tracking the evolution of the live oaks of eastern North America, seeking to understand ...

Space & Earth - Environment

Jul 24, 2012 4 / 5 (2) 0

The word rainforest usually conjures up visions of brightly coloured birds and hyperactive monkeys swooping through a thick green canopy of leaves, vines and flowers. But rainforests are also found closer ...

Biology - Ecology

Jul 18, 2012 4.5 / 5 (2) 0

Genetic diversity arises through the interplay of mutation, selection and genetic drift. In most scientific models, mutants have a fitness value which remains constant throughout. Based on this value, they compete with other ...

Biology - Evolution

Jun 28, 2012 5 / 5 (1) 0 |

The first paternity study of southern right whales has found a surprisingly high level of local breeding success for males, scientists say, which is good news for the overall genetic diversity of the species, ...

Biology - Plants & Animals

Jun 22, 2012 5 / 5 (1) 0 |

The morphology of coelacanths has not fundamentally changed since the Devonian age, that is, for about 400 million years. Nevertheless, these animals known as living fossils are able to genetically adapt to their environment. ...

Biology - Plants & Animals

Jun 14, 2012 5 / 5 (1) 0

(Phys.org) -- The degree of genetic difference to a tumor is not a factor in Tasmanian devils contracting the facial tumor disease, according to research led by the University of Sydney.

Biology - Plants & Animals

Jun 07, 2012 4 / 5 (5) 5 |

Twenty years after the Earth Summit in Rio de Janeiro, 17 prominent ecologists are calling for renewed international efforts to curb the loss of biological diversity, which is compromising nature's ability ...

Biology - Ecology

Jun 06, 2012 5 / 5 (7) 0 |

Cross-breeding of dogs over thousands of years has made it extremely difficult to trace the ancient genetic roots of today's pets, according to a new study led by Durham University.

Biology - Plants & Animals

May 21, 2012 4.7 / 5 (7) 1 |

The rate at which the rabies virus evolves in bats may depend heavily upon the ecological traits of its hosts, according to researchers at the University of Georgia, the U.S. Centers for Disease Control and Prevention and ...

Biology - Plants & Animals

May 18, 2012 not rated yet 0 |

(Phys.org) -- Platypuses on the Australian mainland and in Tasmania are fighting fit but those on small islands are at high risk of being wiped out from disease, according to a University of Sydney study.

Biology - Plants & Animals

May 18, 2012 5 / 5 (3) 0

A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides ...

Biology - Ecology

May 14, 2012 3 / 5 (1) 0

BGI, in cooperation with Zhangjiakou Academy of Agricultural Science, has completed the genome sequence and analysis of foxtail millet (Setaria italica), the second-most widely planted species of millet. This study provid ...

Biology - Biotechnology

May 13, 2012 not rated yet 0 |

(AP) -- Eight rare Mexican wolf pups have been born at a preserve in the New York City suburbs, a development that could aid the federal program that has reintroduced the endangered species to the wild.

Biology - Ecology

May 08, 2012 5 / 5 (1) 0

The enigmatic Tasmanian tiger, known also as the thylacine, was hunted to extinction in the wild at the turn of the 20th century, and the last one died in a Tasmanian zoo in 1936.

Biology - Plants & Animals

Apr 18, 2012 5 / 5 (6) 5 |

The roads are the main cause of fragmenting the habitats of many species, especially amphibians, as they cause them to be run over and a loss of genetic diversity. Furthermore, traffic harms two abundant species ...

Biology - Ecology

Apr 12, 2012 5 / 5 (2) 0