P95 and N95 are rating classifiers for masks manufactured to keep people from inhaling dust and other small particles in unsafe environments.

The Sun is putting on quite a show right now. Earth-facing sunspot region 4366 has been erupting almost non-stop since it emerged on January 30, producing six X-class solar flares so far.

Obesity in African American children is linked to widespread metabolic remodeling of lipoproteins, amino acids, and inflammatory markers.

B.C.'s attorney general had argued there are 'practical limitations' on provinces ability to combat plastic pollution, and ...

The ruling confirms that alloys are classified by the metal predominating by weight. Since copper predominated, the brass ...

A previously unknown genus of tiny insect-like springtails has been discovered in China, revealing hidden biodiversity ...

OnSundayevening,theSununleashedapowerfulX8.1solarflare,markingoneofthemostintensesolareventsrecordedinre… ...

US researchers have quietly crossed a threshold in nuclear materials science, using intense neutron beams to peer inside ...

The company is urging consumers who purchased the affected products to “destroy the products as soon as possible,” per the recall announcement ...

Low Earth orbit now holds thousands of satellites, and the count keeps rising. That growth has made space feel roomy in ...

The small and complicated features of TSVs give rise to different defect types. Defects can form during any of the TSV ...