Surgery

Low-tech—just what the doctor ordered

Medical equipment that can be manufactured at low cost, is simple to use and can be easily maintained will help extend surgery to the 5 billion people worldwide who currently cannot get access to it, say researchers.

Neuroscience

Family size may influence cognitive functioning in later life

A new study at Columbia University Mailman School of Public Health, and the Robert Butler Columbia Aging Center and Université Paris-Dauphine—PSL, found that having three or more versus two children has a negative effect ...

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