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09 Dec 2011 description


The intensity of light shining from cities at night could help identify hot spots where outbreaks of infectious disease are likely to take place.

A team of researchers tracked satellite images of three cities in Niger and found that fluctuations in nighttime brightness were strongly correlated to measles incidence, according to results published in this week's Science.

16 Feb 2011 description

Guatemala has the highest rate of chronic malnutrition among children in Latin America, and the health consequences continue on through adulthood.


Kayla is months away from her fifth birthday and weighs just 18 pounds, about half what a girl her age should by World Health Organization standards.

She suffers from chronic malnutrition and can barely move. Even breathing appears difficult.