Scientists develop new method for visualizing breath to evaluate face masks On 2020-12-30 A new method for visualising the air exhaled while someone is speaking or singing could shed light on how diseases […]
COVID-19: How well does the face protect mask against the corona virus? Naturopathy Naturopathy Specialist Portal On 2020-04-07 What protection face masks offer corona virus? Many people try to protect themselves with face masks against the corona virus. […]