21/10/2008

Fertilizers -- a growing threat to sea life

A rise in carbon emissions is not the only threat to the planet. Changes to the nitrogen cycle, caused in large part by the widespread use of fertilizers, are also damaging both water quality and aquatic life. These concerns ...

Impacts of climate change on lakes

Climate change will have different effects on lakes in warmer and colder regions of the globe. This is the conclusion reached by Japanese and German researchers following studies of very deep caldera lakes in Japan.

A claret-colored cloud with a massive heart

(PhysOrg.com) -- Gum 29 is a huge region of hydrogen gas that has been stripped of its electrons (ionised) by the intense radiation of the hot young stars located at its centre. Astronomers call this an HII (pronounced "H-two") ...

Archaeologists find unique, early US relic of African worship

University of Maryland archaeologists have dug up what they believe to be one of the earliest U.S. examples of African spirit practices. The researchers say it's the only object of its kind ever found by archaeologists in ...

MU professor analyzes presidential debates

Now that the general election debates are over, University of Missouri Professor of Communication Willliam Benoit has analyzed the content of the three encounters between Senators McCain and Obama. He found that, overall, ...

Stem cell research to benefit horse owners and trainers

In a potential breakthrough for the performance horse industry (such as racing and polo), Melbourne scientists are aiming to harness stem cells to repair tendon, ligament, cartilage and bone damage in horses.

Rare corals breed their way out of trouble

Rare corals may be smarter than we thought. Faced with a dire shortage of mates of their own kind, new research suggests they may be able to cross-breed with certain other coral species to breed themselves out of a one-way ...

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