Tiny light-up barcodes identify molecules by their twinkling


Image: molecules of light-up DNA; Copyright: Shalin Shah, Duke University

These tiny points of light might look like stars twinkling in the sky. But in reality they're different molecules of light-up DNA, blinking on and off as they bind and unbind under a microscope.

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Image: man sitting at a microscope at COMPAMED 2018; Copyright: Messe Düsseldorf