A major breakthrough in cancer diagnostics could soon make early detection of the disease far simpler and more accessible than ever before. Researchers have developed an advanced light-based sensor capable of detecting trace amounts of cancer-related biomarkers in blood samples at levels much lower than what conventional methods can register. This innovation, which integrates cutting-edge optical physics with biological engineering, opens the possibility of routine blood tests that diagnose cancer long before tumors become visible on medical scans. The new
