17/09/2008

What's in a dinosaur name?

(PhysOrg.com) -- A new species of dinosaur is named somewhere in the world every two weeks. But are they all new species, or do the newly-discovered bones really belong to a dinosaur already identified?

White roofs, streets could curb global warming

The idea of painting our roofs and roads white to offset global warming is not new, but a recent study has calculated just how significantly white surfaces could impact greenhouse gas emissions. Last week, researchers at ...

Collaboration helps police address job stress

Mangled bodies, gunfire, high-speed chases and injured children are just a few events witnessed by police officers and soldiers serving in dangerous hot spots around the world. These traumas take a high toll on the police ...

Fixed costs determine structure of the supermarket industry

In many retail industries, the most successful firms are the ones that offer the widest selection. For example, Home Depot and Staples offer a wide array of products at competitive prices. Maintaining this variety requires ...

Global warming's ecosystem double whammy

Plants and soils act like sponges for atmospheric carbon dioxide, but new research finds that one abnormally warm year can suppress the amount of carbon dioxide taken up by some grassland ecosystems for up to two years. The ...

RNA interference plays bigger role than previously thought

In a paper published today online in the journal Nature, IBM and the Genome Institute of Singapore (GIS) reported findings from a joint research study that provides new information on how stem cell differentiation is controlled ...

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