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Science News for July 9, 2010


A new spin on drug delivery

A new DNA delivery method has been discovered by Virginia Tech chemical engineers, which enhances the delivery of genetic material into cells. The method uses hydrodynamic effects to uniformly deliver DNA over the entire cell surface, resulting in a greatly enhanced transfer of genetic material.

SourceVirginia Tech·JournalNature·DateJul 9, 2010

Talking touchscreens aid patients

Multimedia talking touchscreens are helping researchers and clinicians improve communication, knowledge, and adherence to treatment for patients with diverse language skills. The technology provides a more private and accessible way for patients to complete questionnaires and access health information.

Executives who take the fewest risks have the most negative emotions

A Spanish Foundation for Science and Technology study found that executives with higher negative emotional traits took fewer risks, while those with higher educational levels took more. The researchers analyzed data from 70 banks and 46 savings banks, discovering a significant connection between the CEO's emotional traits and firm risk.

SourceSpanish Foundation for Science and Technology·JournalBritish Journal of Management·DateJul 9, 2010

DNA through graphene nanopores

Researchers at Delft University of Technology have developed a novel technique to fabricate graphene nanopores that can detect individual DNA molecules as they pass through. This technology has the potential to significantly impact DNA sequencing by reading off the sequence base by base in real-time.

SourceDelft University of Technology·JournalNano Letters·DateJul 9, 2010