A low-cost solution to remove arsenic from drinking water

High levels of a naturally occurring chemical called arsenic have been a source of contamination of ground-based drinking water, such as well-water, for people in many countries around the world, including parts of the United ...

Improving air quality in China's Greater Bay Area

More than 70 million people live in China's Greater Bay Area, a booming megalopolis that includes Hong Kong, Macau, and nine other major cities. Air pollution is a major public health concern in this region and across China. ...

Women in cities less likely to have children

A new study in Behavioral Ecology finds that women are less likely to procreate in urban areas that have a higher percentage of females than males in the population.

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