Fazhan Shi

Scientists have turned a diamond with a microscopic defect into an ultrasensitive sensor. It measures how quickly the magnetic response of hydrogen nuclei in cells decays. Each cancer line has its own rate — like a fingerprint. The method requires no staining and paves the way for gentle diagnostics

Scientists built a compact setup that locates magnetic defects in diamond with record precision. These defects are built-in compasses, crucial for quantum computers and sensors. By analyzing the response to magnetic pulses, the authors pinpointed one compass with an error of just 0.28 nanometers. Su

Instead of quickly fading glowing markers, scientists used magnetic nanoparticles and diamond sensors. This 'compass' picks up magnetic signals from cells without interference, making it possible to observe even weak processes in a single living cell. This opens new possibilities for diagnostics and