A new COVID-19 sensor that combines PCR test accuracy with the speed of antigen tests could be used for mass testing at airports, schools, and hospitals.

Blow flies can offer a safe alternative for investigating the use of chemical weapons and keep people out of potentially dangerous situations.

A sensor 30 times the weight of a dandelion seed can travel up to 100 meters in a breeze. "You could use a drone to release thousands of these devices in a single drop."

Inspired by the human ear, a new acoustic fabric converts audible sounds into electrical signals.

Engineers build a lower-energy chip that can prevent hackers from extracting hidden information from a smart device.

Activity trackers are great for helping doctors monitor patients' health, but inconsistency remains a problem. A standardized approach could help fix that.

"How much have you had to drink?" isn't always easy to answer, but wearable tech adds nuance to our understanding of intoxication's negative consequences.

An MIT team develops 3D-printed tags to classify and store data on physical objects.

With new smart sutures, a battery-free, wireless sensor can detect and transmit information about wounds from deep surgical sites.