For some time now, it’s been established that the primary route of SARS-CoV-2 transmission is airborne. Research suggests that contagious particles are released into the air and linger for several ...

An invisible band of radiation with wavelengths from 120 to 10 nm, ultraviolet (UV) light starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet ...

No theory could explain the slight excess of far-ultraviolet light in the Milky Way until now.

Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON — President Trump’s mention Thursday of treating COVID-19 with ultraviolet light was part of a rambling digression that ...

UC San Diego School of Medicine researchers have identified a possible link between inadequate exposure to ultraviolet-B light from the sun and an increased risk of colorectal cancer, especially as ...

Inadequate exposure to UVB light from the sun may be associated with an increased risk of colorectal cancer, particularly in older age groups, according to a study using data on 186 countries, ...

A small study published in the journal Frontiers in Immunology on October 24, 2019, shows that exposure to ultraviolet B (UVB) light, which is commonly achieved through sunlight exposure, can trigger ...

Scientists were surprised to discover cassowaries glow under ultraviolet light. It may help the birds distinguish between ...

WEST LAFAYETTE, Ind. -- You're at a softball game on a hot, sunny summer day. You left the sunscreen in the car, so you put the baby down under a tree, figuring the shade will protect her.

Indoor life is comfortable for pet birds, but it comes with one big downside: most homes don’t provide the kind of light birds evolved to live under. In the wild, birds spend hours in sunlight that ...

Donald Milton tests people for colds and flu in his lab at the University of Maryland. Among other experiments, his students use a “sneeze machine” to measure how far viruses fly out of the nose and ...