New sensor detects low air humidity

Measuring air humidity is important in many areas. However, conventional sensors in hygrometers have so far not been able to determine a very low water vapor content. Physicists at the University of Duisburg-Essen (UDE) and ...

High heat: Spain clocks prelim record of 47.2 C (116.96 F)

Spain set a new provisional heat record of 47.2 degrees Celsius (116.96 Fahrenheit) on Saturday as Southern Europe sweltered under a relentless summer sun. Italy put 16 cities on red alert for health risks and Portugal warned ...

Pacific Northwest braces for another multiday heat wave

People in the Pacific Northwest braced for another major, multiday heat wave starting Wednesday, just over a month after record-shattering hot weather killed hundreds of the region's most vulnerable people when temperatures ...

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