light

horizontal gene transfer— where they transfer genes with their neighbors — bacteria can quickly strengthen their defenses against threats.One such threat is antibiotics, and pathogens, such as some bacteria, are rapidly adapting to defeat them.As these pathogens become resistant to more and more antibiotics, visions of a world in which the drugs on which we…

UV-C technology is nothing new -- it's been used before in consumer devices such as the PhoneSoap, pictured -- but safety concerns are on the rise as companies claim their UV-C light devices kill the coronavirus. PhoneSoap For the most up-to-date news and information about the coronavirus pandemic, visit the WHO website. With man-made hand…

By Clare Wilson Arthritis can be very painfulljubaphoto/iStockphoto/Getty People with rheumatoid arthritis often take potent medicines that relieve their pain but have damaging side-effects. An alternative approach could see the medicines given in a form that is activated when people shine red light on their affected joints, allowing them to take lower doses. The system…