Study: Chimps don't care about friends

University of California-Los Angeles scientists say helping others is apparently a uniquely human habit -- or, at least, not a habit shared by chimpanzees.

Survey: Cell-phone appearance matters

Cell-phone appearance is as an important a factor in customer satisfaction as are features and capabilities, a new consumer survey said Wednesday.

Study: Sharks have mammal-like muscles

University of British Columbia scientists say some sharks have swimming muscles that only work at relatively high temperatures -- much as do mammals' muscles.

Cassini finds Prometheus a sculptor of Saturn's rings

New findings from members of the Cassini imaging team show that certain prominent features in Saturn's narrow and contorted F ring can be understood in terms of a simple gravitational interaction with the small moon Prometheus. ...

DNA size a crucial factor in genetic mutations, study finds

Researchers at Stanford University have created a larger-than-normal DNA molecule that is copied almost as efficiently as natural DNA. The findings, reported in the Oct. 25 online edition of the Proceedings of the National ...

Stanford innovation helps 'enlighten' silicon chips

Light can carry data at much higher rates than electricity, but it has always been too expensive and difficult to use light to transmit data among silicon chips in electronic devices. Now, electrical engineers at Stanford ...

Modifications render carbon nanotubes nontoxic

In follow-on work to last year's groundbreaking toxicological study on water-soluble buckyballs, researchers at Rice University's Center for Biological and Environmental Nanotechnology (CBEN) find that water-soluble carbon ...

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