Researchers created a microscope slide that can detect cancer by simply "viewing" cells. It's not limited to cancer cells, so could also be used to detect other diseases. Cancer cells tend to interact with light in a different way from healthy cells. Cancer cells tend to interact with light in a different way from healthy cells. In contrast, the NanoMslide can manipulate light at the nanoscale, causing cells to "light up" with vivid and contrasting colors.

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