'Extreme heat belt' to cover middle of US by 2053: report

An area of intensely warm weather—a so-called "extreme heat belt"—with at least one day per year in which the heat index hits 125 Fahrenheit (52C), is expected to cover a US region home to more than 100 million people ...

Tackling air quality and COVID-19 in the classroom

As the days get colder, teachers not only face the usual seasonal battle of keeping classrooms at a comfortable temperature but also trying to reduce the COVID-19 virus count in the environment. How to reduce virus spread ...

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 ...

Humid air can extend lifetime of virus-laden aerosol droplets

The novel coronavirus that causes COVID-19 is thought to spread through natural respiratory activities, such as breathing, talking and coughing, but little is known about how the virus is transported through the air.

Desert greenhouses offer growth opportunities

Emerging technologies can be harnessed to use the strengths of hot, humid coastal deserts of the Middle East and North Africa (MENA) region to grow food and other crops.

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