How Does UV Light Kill Germs?
UV light is an effective disinfectant for disinfecting. Main used in disinfectant. But have you ever thought, how does it work to kill germs?
UV light is an effective disinfectant for disinfecting. Main used in disinfectant. But have you ever thought, how does it work to kill germs?
In December 2019, dozens of people in Wuhan, China, developed pneumonia. It turns out that this is caused by a virus similar to the SARS virus.
Alcohol is one of the most important compounds because it can be easily changed to and from many other types of compounds.
All living things produce waste substances. Total human and animal feces production in 2030 is estimated that it will touch 4.6 million tons per year.
Humans get ready to explore outer space and live there permanently. But if humans die out there, what happens to the human body?