Imagine that the players on your favourite football team were smaller than their opponents, and had to play without helmets or pads. Left defenseless, they would become easy prey for other teams. Similarly, changes in Canadian ...

Biology - Ecology

Sep 06, 2012 5 / 5 (3) 0

Environmental change is the selective force that preserves adaptive traits in organisms and is a primary driver of evolution. However, it is less well known that evolutionary change in organisms also trigger ...

Biology - Evolution

May 23, 2012 4 / 5 (2) 0 |

In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in res ...

Biology - Plants & Animals

Mar 04, 2012 4.6 / 5 (5) 1 |

Unprecedented algae growth in some lakes could be linked to the decline of water calcium levels and the subsequent loss of an important algae-grazing organism that helps keep blooms at bay.

Space & Earth - Environment

Sep 28, 2011 5 / 5 (3) 0

Biologists worldwide subscribe to the healthy herds hypothesis, the idea that predators can keep packs of prey healthy by removing the weak and the sick. This reduces the chance disease will wipe out the whole ...

Biology - Ecology

Jun 23, 2011 5 / 5 (3) 2 |

There are many different kinds of crustaceans, ranging from the shellfish Swedish people eat at traditional crayfish parties every August to tiny relatives found in their millions in both freshwater and saltwater. ...

Biology - Biotechnology

Mar 22, 2011 5 / 5 (4) 0 |

Of all the things that might control the onset of disease epidemics in Michigan lakes, the shape of the lakes' bottoms might seem unlikely. But that is precisely the case, and a new BioScience report by sci ...

Biology - Ecology

May 05, 2010 5 / 5 (4) 0 |

The sequences of nonsense DNA that interrupt genes could be far more important to the evolution of genomes than previously thought, according to a recent Science report by Indiana University Bloomington and ...

Biology - Cell & Microbiology

Dec 10, 2009 4.9 / 5 (7) 0