An eerie mask passed down from ancient times. Wearing it makes it harder for certain enemies to spot you. It's a rather rare find. Majora's Mask is a special reward for completing the challenge of the ...

Face masks can help to reduce transmission of respiratory viruses such as influenza, according to experts and medical evidence, but their effectiveness depends on the type of mask used. Social media ...

Paul Hunter consults for the World Health Organization. He receives funding from National Institute for Health Research and has received funding from the World Health Organization and the European ...