Apple is trying to appeal the ban on its blood oxygen sensor again. The company hasn't offered the feature since 2024.

Due to an ongoing ban in the US, measuring blood oxygen can be complicated on the Apple Watch. Discover the latest and more with this guide.

To determine the offset, a second calibration point is necessary. - The second point involves preparing an oxygen-free standard solution, representing 0% oxygen saturation. This is commonly achieved ...

In order to respond to external stimuli, bacteria have evolved sensor proteins linking external signals to intracellular outputs that can then regulate downstream pathways and phenotypes. Globin ...