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Science News for August 12, 2007


MIT creates 3-D images of living cell

Researchers at MIT have developed a technique to create 3D images of living cells, revealing internal structures and enabling the study of cellular function in its native state. The method uses interferometry and refractive index properties, producing high-resolution images with resolutions as low as 150 nanometers.

SourceMassachusetts Institute of Technology·JournalNature Methods·DateAug 12, 2007

Hispanic drug use rises in US culture

Recent Hispanic immigrants in the US are more likely to use illegal drugs as they adopt white American cultural beliefs, with acculturated Hispanics nearly 13 times as likely to report using illicit drugs. The study also found that acculturated Hispanics were more likely to engage in binge drinking and bender drinking.

Gene regulation, not just genes, is what sets humans apart

New research from Duke University reveals that the way genes are used in humans differs significantly from that of chimps and other primates. The study found dramatic differences in gene regulation related to brain development and diet, which may have contributed to human adaptability and susceptibility to certain diseases.

SourceDuke University·JournalNature Genetics·DateAug 12, 2007