IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, it’s hard not to hear the cha-ching sound of a ...

Babies cannot explain what they are feeling, but the smart pacifier could give clinicians a clearer picture of respiratory ...

Scientists have long wanted to watch iron(II) move inside living cells as it fuels metabolism, shapes immunity, and, in some ...

The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...

Nano-sensors that work without batteries or wires could pave the way for more comfortable, less obtrusive sleep and health ...

"I'm fine" and "I'll take care of it" (even at capacity) can be nervous system signals. Decoding them makes hard moments easier to navigate.

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Nitric oxide doesn’t get the hype of collagen or NAD+, but it plays a central role in blood flow, energy, and how well the ...

Northwestern University researchers have developed the first device that can continuously track a fetus's vital signs while ...

Forger takes a more favorable view toward the devices, which he says help keep the overlooked importance of sleep front of mind. He recommends them even for people without significant sleep issues, ...