26/11/2009

Burning coal worse for climate than clearing rain forests

Deforestation has had a big influence on the increase of carbon dioxide (CO2) emissions in the past three centuries, but its impact is tapering off relatively. Nowadays, the burning of fossil fuels is a more crucial factor. ...

Holiday Web shopping looks brighter than last year

(AP) -- Online retailers hope the convenience of the Web, plus discounts and deals, spur still-nervous shoppers to spend more online this holiday season - even as traditional retailers brace for mediocre sales.

New Switchgrass Germplasm Collected in Florida

(PhysOrg.com) -- Agricultural Research Service (ARS) scientists and cooperators have collected 46 new populations of switchgrass in Florida, adding valuable new accessions to the germplasm collection of this potential bioenergy ...

Astronauts surprised by holiday turkey dinners

(AP) -- Space shuttle Atlantis' astronauts thought they were going to give thanks with pantry leftovers Thursday as their mission drew to a close, but found turkey dinners awaiting them.

Knockouts in human cells point to pathogenic targets

(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.

Gullies and Flow Features on Crater Wall

(PhysOrg.com) -- This image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows a sample of the variety and complexity of processes that may occur on the walls of ...

New chemical reaction offers opportunities for drug development

Researchers led by Conway Fellow, Professor Pat Guiry have solved a chemistry problem that has stumped researchers worldwide for more than a decade. The results have earned the group the cover story of the leading scientific ...

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