The UV Index measures the ultraviolet radiation coming from the sun. There are three primary types of UV radiation: ...

Allergies to things like cats and dust mites are tough to mitigate because the allergens can stick around long after the ...

Bay Area News Group went inside the $300 million construction site of the largest project in East Bay MUD’s modern history.

Robots that can kill the coronavirus with ultraviolet light have been brought in at one of London's biggest train stations, St Pancras International, as it tries to restore customer confidence in the ...