Ultraviolet vision evolved at least eight times in birds from a common violet sensitive ancestor finds a study published in BioMed Central's open access journal BMC Evolutionary Biology. All of these are due to single nucleo ...

Biology - Evolution

Feb 10, 2013 5 / 5 (6) 0 |

For Tim Laman, mornings in the rain forest started early, before the night was truly done.

Biology - Plants & Animals

Nov 21, 2012 not rated yet 0

Mathematicians at the University of York in the UK and the University of Canterbury in New Zealand say they have disproved a widely accepted theory underpinning the operation of complex networks of interactions in the natural ...

Other Sciences - Mathematics

Jun 20, 2012 5 / 5 (10) 0 |

The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...

Biology - Evolution

Sep 12, 2011 5 / 5 (2) 0 |

Researchers at UQ's Queensland Brain Institute are one step closer to unlocking the role of color in animal courtship rituals after identifying a unique feather structure in birds of paradise.

Biology - Plants & Animals

Dec 15, 2010 4 / 5 (1) 0 |