Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit ...

Biology - Evolution

Apr 30, 2013 4.1 / 5 (16) 70 |

The Mountain Pygmy-possum (Burramys parvus) is one of five living species of pygmy-possum, all of which are classified within a single family. It is the largest of the pygmy-possums, and can be easily distinguished ...

Biology - Ecology

Apr 30, 2013 5 / 5 (2) 0

Australia was first settled by between 1,000 and 3,000 humans around 50,000 years ago, but the population crashed during the Ice Age before recovering to a peak of some 1.2 million people around five centuries ...

Other Sciences - Archaeology & Fossils

Apr 23, 2013 4.8 / 5 (15) 3

A University of Leeds-led study, published in the journal Ecology Letters, overturns the common assumption that evolution only occurs gradually over hundreds or thousands of years.

Biology - Ecology

Apr 09, 2013 5 / 5 (2) 0 |

Adélie penguins may actually benefit from warmer global temperatures, the opposite of other polar species, according to a breakthrough study by an international team led by University of Minnesota Polar ...

Biology - Plants & Animals

Apr 04, 2013 3.7 / 5 (3) 0

A new study from the Wildlife Conservation Society (WCS) and the Nevada Department of Wildlife (NDOW) has pieced together the last 150 years of history for one of the state's most interesting denizens: the ...

Biology - Ecology

Mar 29, 2013 5 / 5 (1) 0

Projections suggesting the world human population will stop growing around 10 billion people at the end of this century are improbable, according to new research by SFI Postdoctoral Fellow Marcus Hamilton and collaborators.

Other Sciences - Social Sciences

Mar 20, 2013 not rated yet 0

Scientists announced they had peeked into the DNA of the giant squid, seeking to demystify a deep-sea creature that has haunted sailors' dreams for centuries.

Biology - Plants & Animals

Mar 20, 2013 5 / 5 (4) 0

Previous studies have shown that carnivores can have indirect positive effects on each other, which means that when one species is lost, others could soon follow. A team from the University of Exeter and the University of ...

Biology - Ecology

Feb 28, 2013 3 / 5 (2) 0 |

Scientists are delving deep into the travels of whales—thanks to high-tech tracking devices—to try to help protect them.

Biology - Plants & Animals

Feb 24, 2013 not rated yet 0

Since at least the 1970s, the population of critically endangered Sulawesi black macaques living in an Indonesian nature reserve has been dropping. But a new study by researchers at the University of Washington ...

Biology - Ecology

Jan 23, 2013 not rated yet 0

Climate change is known to affect the population dynamics of single species, such as reindeer or caribou, but the effect of climate at the community level has been much more difficult to document. Now, a ...

Space & Earth - Earth Sciences

Jan 17, 2013 not rated yet 0 |

(Phys.org)—Evolution in very large populations of plants, animals or fungi can be predicted far less easily than one would expect. This has been shown by research at the Institute for Theoretical Physics ...

Biology - Evolution

Jan 09, 2013 5 / 5 (3) 10 |

(Phys.org)—Small mammal populations across Europe were wiped out multiple times during the last Ice Age, due to an inability to deal with rapid climate change, according the research published today in ...

Biology - Plants & Animals

Nov 27, 2012 5 / 5 (2) 5 |

(Phys.org)—New findings suggest that the ecology of blue whales (Balaenoptera musculus) – the largest living animal – has recently changed due to human activities. A team lead by researchers at Mac ...

Biology - Plants & Animals

Nov 14, 2012 not rated yet 0