In a single sneeze or a cough, as many as 40,000 tiny droplets are forcibly propelled from our mouth and nose into the air. While we cannot control our sneezing, researchers have recently developed an original method to collect micro-droplets, such as these 'precious' human dewdrops, which may shed light on applications in detecting disease-causing bacteria and preventing the spread of disease.
from Latest Science News -- ScienceDaily http://bit.ly/2S1ODLG
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