(Phys.org) —India's tigers are facing extinction owing to a collapse in the variety of their mating partners, according to new research carried out by scientists at Cardiff University.

Biology - Ecology

May 16, 2013 not rated yet 3 |

A new species of tree-dwelling porcupine has been discovered in Brazil's Northeastern Atlantic Forest, one of the world's most threatened habitats, researchers said.

Biology - Plants & Animals

Apr 10, 2013 5 / 5 (1) 0

(Phys.org) —As is the case in all areas of science, our understanding of evolutionary biology is… well, evolving. Two such areas are macroevolution (any evolutionary change at or above the level of species ...

Biology - Evolution

Mar 18, 2013 3.8 / 5 (6) 0 |

If we are to sustain fish as a global food source, then fisheries and conservation managers need to take account of new evidence showing how overfishing of the larger fish in a population actually changes the gene pool in ...

Biology - Ecology

Mar 18, 2013 5 / 5 (1) 0

(Phys.org)—A team of researchers from New Zealand and Australia has found that cultural exchange in human populations sometimes occurs at a much slower rate than genetic divergence. As the group explains ...

Other Sciences - Social Sciences

Feb 07, 2013 4.7 / 5 (10) 6 |

Sweden is to resume its wolf hunt in what authorities have described as a bid to limit inbreeding and maintain healthy stocks, but environmentalists argued Thursday that the hunt violates EU law.

Biology - Ecology

Jan 31, 2013 1 / 5 (1) 3

Amongst the range of domestic livestock species, the goat is not just the 'black sheep' but a resource of survival in impoverished countries, and many breeds are at great risk of disappearing. This is the ...

Biology - Ecology

Jan 23, 2013 not rated yet 0

Berkeley Lab and UC Berkeley researchers have discovered that the transcription factor protein TFIID coexists in two distinct structural states, a key to genetic expression and TFIID's ability to initiate ...

Biology - Cell & Microbiology

Jan 17, 2013 5 / 5 (4) 0 |

(Phys.org)—Researchers working out of the Hopkins Marine Station at Stanford University have found that the ability of some corals to withstand higher water temperatures appears to be gene based. In their ...

Space & Earth - Environment

Jan 08, 2013 5 / 5 (1) 0 |

Up to ten per cent of the active genes of an organism that has survived 80 million years without sex are foreign, a new study from the University of Cambridge and Imperial College London reveals. The asexual ...

Biology - Biotechnology

Nov 15, 2012 4.8 / 5 (10) 3 |

The news is out that there's a mountain lion living in Griffith Park these days, but what you may not know is why he branched out from his home in the west Santa Monica Mountains. Competition there is fierce—and, ...

Biology - Plants & Animals

Aug 27, 2012 not rated yet 0

An African elephant in Vienna Zoo has been impregnated using frozen sperm from a male living in the wild, in what the Zoo said Monday was a world first.

Biology - Plants & Animals

Aug 13, 2012 5 / 5 (1) 1

New research indicates that domestic horses originated in the steppes of modern-day Ukraine, southwest Russia and west Kazakhstan, mixing with local wild stocks as they spread throughout Europe and Asia. The research was ...

Biology - Plants & Animals

May 07, 2012 5 / 5 (9) 2 |

Isle Royale National Park's gray wolves, one of the world's most closely monitored predator populations, are at their lowest ebb in more than a half-century and could die out within a few years, scientists said Friday.

Biology - Ecology

Mar 16, 2012 not rated yet 1

A team of Australian scientists has bred salt tolerance into a variety of durum wheat that shows improved grain yield by 25% on salty soils.

Biology - Biotechnology

Mar 11, 2012 5 / 5 (4) 0 |