It looks simple enough — just a glint on a leaf or a bead trembling on your fingertip. Yet inside that droplet, there’s more life than you’d ever guess. Whole food chains rise and collapse in seconds, ...

Researchers have developed a hydrogel-based strain sensor that measures blood potassium from a single drop of serum in two minutes, enabling faster and less invasive monitoring for patients with ...

The curious minds at ColdFusion reveal how detecting cancer from a single drop of blood is almost possible ...

Available at-home A1C test kits require users to send blood samples from finger pricks to a lab and wait for results. These types of at-home testing methods are thought to be less accurate than ...

Scientists have pioneered a new way to monitor sodium levels in the blood—without drawing a single drop. By combining terahertz radiation and optoacoustic detection, they created a non-invasive system ...

Arizona State University scientists have unveiled NasRED, a revolutionary one-drop blood test that can detect diseases like COVID-19, Ebola, HIV, and Lyme with incredible speed and precision. Using ...