An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

Go on an adventure into unexpected corners of the health and science world each week with award-winning host Maiken Scott. The Pulse takes you behind the doors of operating rooms, into the lab with ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

The American Cancer Society says self-collection methods for cervical cancer screening are now acceptable as pap smear alternatives for people aged 25 to 65. Women may pursue self-collection methods ...

Agri-Pulse and Agri-Pulse West are your comprehensive sources of the latest in agricultural information. We take a holistic approach to covering current ag news, food and energy policy news and we ...

If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Synthesis of nanostructured cubic phase SnO 2 thin film and its trace-level sensing of CO gas This study presents a cubic phase SnO 2 thin film gas sensor with ultra-high CO sensitivity and 1 ppb ...

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...