New doctoral thesis documents that industrial chemicals are transported from the industrialized world to the Arctic via air and sea currents. Here, the cocktail of environmental toxins is absorbed by the sea's food chains ...

Biology - Ecology

Oct 13, 2011 5 / 5 (1) 1

More than one billion people around the world depend upon fish for protein in their diet. But the threat of mercury poisoning, especially in children, has raised concerns about the safety of eating fish.

Space & Earth - Environment

Oct 13, 2011 5 / 5 (3) 1

As climate change causes temperatures to rise, the number of herbivores will decrease, affecting the human food supply, according to new research from the University of Toronto.

Biology - Ecology

Oct 04, 2011 5 / 5 (1) 0

Zebra mussels from the Caspian Sea, introduced to North America by accident, are becoming a veritable plague releasing toxic chemicals into the Great Lakes, Canadian biologists say.

Space & Earth - Environment

Oct 01, 2011 5 / 5 (5) 6

As the e-print arXiv of scientific publications celebrates its 20th anniversary, what started as an effort to "level the playing field" for researchers has created a whole new playing field on which the white ...

Other Sciences - Other

Sep 28, 2011 5 / 5 (1) 1

Toxic industrial pollutants contaminate bird eggs in Australia's major eastern cities at levels seven to nine times higher than those in inland areas, a new study has found.

Biology - Ecology

Sep 15, 2011 not rated yet 0

(PhysOrg.com) -- Stanford researchers have gotten a glimpse into an uncertain future where increasing levels of carbon dioxide in the Earth's atmosphere will lead to higher levels in the ocean as well, leaving ...

Space & Earth - Environment

Sep 13, 2011 5 / 5 (6) 8 |

In recent years, it has become clear that food poisoning due to Salmonella typhimurium can be contracted not only by uncooked eggs and meat but also through eating contaminated raw vegetables and fruit. So ...

Biology - Cell & Microbiology

Sep 13, 2011 5 / 5 (1) 0

Thousands of tonnes of toxic mercury are released into the environment every year. Much of this collects in sediment where it is converted into toxic methyl mercury, and enters the food chain ending up in the fish we eat. ...

Biology - Biotechnology

Aug 12, 2011 5 / 5 (1) 0

(PhysOrg.com) -- New research on the fishing of small fish species near the bottom of their food chains suggests harvesting at levels previously thought to be sustainable could have devastating effects on ...

Biology - Ecology

Jul 22, 2011 4.8 / 5 (8) 5 |

Scientists at UC Santa Barbara and other institutions say their new research is expected to profoundly affect the field of ecology and can assist the management of ecosystems, including forests, lakes, and ...

Biology - Ecology

Jul 21, 2011 4.3 / 5 (4) 3 |

Antarctic krill regularly feed on the seabed, scientists have found. Until now the tiny crustaceans were thought to live mainly near the ocean surface.

Biology - Plants & Animals

Jul 11, 2011 1 / 5 (1) 0 |

A new discovery reveals that the shrimp-like creature at the heart of the Antarctic food chain could play a key role in fertilising the Southern Ocean with iron – stimulating the growth of phytoplankton (microscopic ...

Space & Earth - Earth Sciences

Jul 04, 2011 4.5 / 5 (2) 0 |

Zooplankton can use specialised adaptations that allow them to hide from predators in areas of the ocean where oxygen levels are so low almost nothing can survive - but they may run into trouble as these areas ...

Biology - Ecology

Jul 01, 2011 5 / 5 (1) 0

What do fast-food restaurants have in common? Why are women more likely to become compulsive shoppers and men more likely to become addicted to pornography? Why do men's testosterone levels rise when they ...

Other Sciences - Social Sciences

Jun 29, 2011 3.3 / 5 (3) 1