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Climate Change May Challenge National Security, Classified Report Warns

18:39 25-06-2008; source: www.sciencedaily.com

The National Intelligence Council has completed a new classified assessment that explores how climate change could threaten US security in the next 20 years by causing political instability, mass movements of refugees, terrorism, or conflicts over water and other resources in specific countries.

One Step Closer To Green Chemistry And Improved Pharmaceuticals

18:39 25-06-2008; source: www.sciencedaily.com

The end of dangerous chemical compounds in our homes? Cheap and environment friendly production of biofuel? Efficient design of medicines against cancer, Alzheimer's and AIDS? The solution to these challenges has come one step closer after researchers have solved an important piece of the puzzle behind how proteins are shaped.

Migrating Songbirds Learn Survival Tips On The Fly

18:39 25-06-2008; source: www.sciencedaily.com

Migrating songbirds take their survival cues from local winged residents when flying through unfamiliar territory. Observing local birds' 'mob' behavior helps migrants avoid predators, according to biologists.

Air Monitoring Helps Anticipate Possible Ecosystem Changes

18:39 25-06-2008; source: www.sciencedaily.com

When rain settles the atmosphere and brings air pollutants to the ground, it can have a lasting effect on ecosystems, sometimes hundreds of miles away. All ecosystems receive some atmospheric inputs, such as nitrogen, phosphorus and sulfur. The plant and animal life dominant to that region thrives because it has adapted to a particular rate of those nutrients. When the nutrient load changes, it can change the competitive ability of a species and allow different ones to thrive where they once were not competitive. The effects extend from major animal life such as deer down to the smallest bacteria.

Mini Subs To Probe Odd Coral-like Growths In British Columbia, Canada, Lake

18:39 25-06-2008; source: www.sciencedaily.com

Strange coral-like growths at the bottom of Pavilion Lake in British Columbia have been out of the reach of scientists until now with the addition of new submersible technology. The growths might hold the key to life beyond Earth.

Climate Change Could Severely Impact California's Unique Native Plants

15:39 25-06-2008; source: www.sciencedaily.com

California's endemic plants -- those found nowhere else in the world -- could disappear from their natural ranges as a result of global warming and associated changes in rainfall, according to a new study. In general, plants will move northward and towards the coast, and in southern California, upward into mountain refugia, highlighting the need to protect these refugia and corridors between them. One big question remains: Can plants migrate fast enough to escape warming's effects?

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