What is peak flow measurement? Peak flow measurement is a quick test to measure air flow out of the lungs. The measurement is also called the peak expiratory flow rate (PEFR) or the peak expiratory ...

Attribution (BY): Credit must be given to the creator. Raman spectroscopy has been proven to be a fast, convenient, and nondestructive technique for advancing our understanding of biological systems.

The Geminid meteor shower peak is a week away, but this year it might be a good idea to keep an eye out early, according to NASA. Dedicated skywatchers might want to check the sky not only in the ...