Σάββατο 22 Σεπτεμβρίου 2012

ScienceDaily: Top Environment News

ScienceDaily: Top Environment News


Wildfires in Washington State

Posted: 21 Sep 2012 11:28 AM PDT

The summer of 2012 will unfortunately be known as the "Summer of Devastating Western Wildfires" and practically not one state out west was spared. Washington State has been hardest hit of late. This satellite image shows a rash of wildfires currently burning in the middle of the state.

Prehistoric rocks contain clues for future climate

Posted: 21 Sep 2012 11:01 AM PDT

For most of the past decade, Dr. Wan Yang has spent his summers in the Bogda Mountains in northwest China, collecting rock samples that predate dinosaurs by millions of years in an effort to better understand the history of Earth's climate and perhaps gain clues about future climate change.

Horticultural hijacking: The dark side of beneficial soil bacteria

Posted: 21 Sep 2012 08:10 AM PDT

It's a battleground down there — in the soil where plants and bacteria dwell. Even though beneficial root bacteria come to the rescue when a plant is being attacked by pathogens, there's a "dark side" to the relationship between the plant and its white knight, according to new research.

New turtle tracking technique may aid efforts to save loggerhead

Posted: 21 Sep 2012 06:26 AM PDT

The old adage "you are what you eat" is helping scientists better understand the threatened loggerhead turtle, which is the primary nester on Central Florida's beaches.

Twenty-three nuclear power plants found to be in tsunami risk areas

Posted: 21 Sep 2012 05:32 AM PDT

Tsunamis are synonymous with the destruction of cities, and homes and since the Japanese coast was devastated in March 2011 we now know that they cause nuclear disaster, endanger the safety of the population and pollute the environment. As such phenomena are still difficult to predict, a team of scientists has assessed "potentially dangerous" areas that are home to completed nuclear plants or those under construction.

Nunavut's mysterious ancient life could return by 2100 as Arctic warms

Posted: 21 Sep 2012 05:28 AM PDT

Global climate change means that recently discovered ancient forests in Canada's extreme north could one day return, research suggests.

Satellite imagery leaves questions about forage for wildlife

Posted: 20 Sep 2012 10:52 AM PDT

Satellite imagery provides a look at vegetation available to grazing mammals but leaves questions about whether the animals have access to a healthy diet, according to a new article.

Civil engineers destroy test levee in the Netherlands

Posted: 20 Sep 2012 10:52 AM PDT

Civil engineers collapsed a full-scale dike this week in the Netherlands. The test dike was embedded with advanced sensors and traditional measurement instruments, and results of the study are expected to help validate powerful new technologies for monitoring the health of aging flood-control infrastructure.

Nano-engineering electrodes to give tiny generators a boost

Posted: 20 Sep 2012 05:22 AM PDT

Could our waste be part of the answer to humanity's energy problems? Some researchers think so, thanks to bacteria that chow down on everything from sewage to heavy metals and give off electricity as one of their own waste products. 

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