Study: Neighborhood natives move out when immigrants move in

WASHINGTON, DC, February 1, 2011 — Native residents of a neighborhood are more likely to move out when immigrants move in, according to new research by three American sociologists.
“Neighborhood Immigration and Native Out-Migration” appears i…

Detecting esophageal cancer with light

DURHAM, N.C. — A tiny light source and sensors at the end of an endoscope may provide a more accurate way to identify pre-cancerous cells in the lining of the esophagus.
Developed by biomedical engineers at Duke University and successfully t…

Heat helped hasten life’s beginnings

CHAPEL HILL, N.C. — There has been controversy about whether life originated in a hot or cold environment, and about whether enough time has elapsed for life to have evolved to its present complexity.
But new research at the University of North C…

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