A new leaf imaging system lets scientists watch plant stomata control water loss and carbon uptake in real time.

Stability studies measure how medical devices respond to environmental stresses such as temperature, humidity, light, and ...

A red flag warning means that “critical fire conditions” are occurring that could turn a spark into an unchecked wildfire or ...

A long stretch of humid heat followed by intense thunderstorms is a weather pattern historically seen mostly in and around ...

The best monitors from CR’s tests detect a range of indoor pollutants, and some work automatically with air purifiersDevices ...

Looking for a reliable home weather station that fits your needs? We tested a range of weather stations to see how well they ...

Devices of the JUMO hydroTRANS series are dependable humidity and temperature transmitters with an optional CO 2 module. The device series is available with various interfaces. Moreover, it is ...

We envision our homes as refuges from the outside world, including all the allergens and pollution in the air. And while it’s true that they block some of the worst excesses of outdoor pollution, they ...

Absolute humidity sensors with "device_class":"humidity" and "unit_of_meas":"g/m³" fail because the unit of measure g/m³ is considered invalid for "device_class ...

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...