26/01/2010

NASA ends effort to free rover from Martian sand

(PhysOrg.com) -- After six years of unprecedented exploration of the Red Planet, NASA's Mars Exploration Rover Spirit no longer will be a fully mobile robot. NASA has designated the once-roving scientific explorer a stationary ...

Microsoft: Google likely to face questions on ads

(AP) -- Microsoft Corp.'s top lawyer said Monday that Google will inevitably have to answer questions about its huge market share in selling advertisements linked to results from its search engine.

Green plant transport mystery solved

Contrary to prevailing wisdom, a new study from plant biologists at UC Davis shows that proteins of the Hsp70 family do indeed chaperone proteins across the membranes of chloroplasts, just as they do for other cellular structures.

Diamond is one tough cookie

(PhysOrg.com) -- Most people know that diamond is one of the hardest solids on Earth, so strong that it can easily cut through glass and steel. Surprisingly, very little is known about the strength of diamond at extreme conditions. ...

Teachers Give No Child Left Behind Act Mixed Reviews

(PhysOrg.com) -- Highly accomplished teachers assessing the merits of the No Child Left Behind Act give the federal legislation a mixed report card, according to a study by University of California, Riverside researchers ...

How to shoot the messenger

Cells rely on a range of signaling systems to communicate with each other and to control their own internal workings. Scientists from the European Molecular Biology Laboratory (EMBL) in Hamburg, Germany, have now found a ...

Verizon posts 4Q loss on $3B in layoff costs

(AP) -- Verizon Communications Inc. on Tuesday posted an unusual loss for the fourth quarter, as a charge for layoffs in its shrinking landline business overshadowed the growing, and profitable, wireless business.

EMC returns to profit growth, net income up 58 pct

(AP) -- EMC Corp. said Tuesday that its net income jumped 58 percent in the latest quarter, the first time since the spring of 2008 that profit has risen at the information-management company.

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