Terahertz photonic crystal fiber sensors, powered by machine learning, could transform tuberculosis detection with rapid and accurate diagnostics.

We tested 25 indoor air quality monitors and picked the 9 best to help you detect pollutants and breathe cleaner air at home.

If you live on the U.S. East Coast, your phone might have been lighting up all day with alerts about your local air quality. Much of the region is under a “code red” alert as a thick blanket of smoke ...

New Delhi: Amid rising pollution levels, scientists from BITS Pilani, NIT Warangal and IIT Jodhpur have developed India's first indoor air quality (IAQ) index to map the increasingly hazardous air ...

Air pollution in the national capital was recorded in the "severe" category on Wednesday morning for the second consecutive day. The Air Quality Index (AQI) reading at 9 am stood at 414, according to ...

Firefighters work inside a burned structure. After California’s Eaton fire was suppressed in January, invisible gases continued to permeate the air, exposing residents and first responders to ...

This work seeks to present an investigation about the trajectories followed by rays of light passing through refractive index gradients that was entirely carried by high school students. Such ...

During the hot, humid summer months, meteorologists often discuss the heat index instead of the actual air temperature. But how is the heat index calculated, and why is it more important than the air ...

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Canadian wildfire smoke is causing air quality advisories and alerts across Michigan. Lansing's air quality was unhealthy as of June 5, with a PM2.5 of 167, prompting recommendations to stay indoors.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The U.S. Air Quality Index (AQI) is the ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...