A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.
A peak flow meter is a handheld device that measures airflow rate and can help those with respiratory conditions like asthma monitor their condition.
CNET's experts have tested the best air purifiers on the market for price, size and performance to help you breathe more ...
New studies of the “platypus of materials” help explain how their atoms arrange themselves into orderly, but nonrepeating, ...
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