Engineers have developed a new way to monitor how tiny lab-grown human heart tissues beat—by effectively "listening" to the ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

In the neonatal intensive care unit, the most fragile patients in medicine are often the most heavily wired. Premature babies, some weighing less than a pound, can be tethered to a tangle of cables, ...

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 ...

Designing organic polymers for visual sensing is highly desirable, yet tuning their properties remains challenging. Here, the authors report interfacial click polymerized pyridinium-yne films that ...

NYPD Retired Chief of Detectives Robert K. Boyce provides singular insight on crimes that took hold of the city and the unrelenting work it took to bring perpetrators to justice.