Health

Ultrafine pollution particles create air of menace

An air quality study has for the first time detected nano-sized particles of air pollution in children's urine. With a diameter of just 100 nanometers—a thousandth of the width of a human hair—these ultrafine particles ...

Health

Science can shape healthy city planning

Previous studies have shown a correlation between the design of cities and growing epidemics of injuries and non-communicable diseases such as heart disease, diabetes and cancer. A three-part series published in The Lancet ...

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