Breaking a fundamental textbook belief, a new study suggests that DNA and RNA give off light, contrary to the current idea that it neither emits nor absorbs light. After shining visible light onto the molecules, they will fluoresce for about two hours. Why? Not sure yet, but the team of professors Vadim Backman, Hao Zhang, and Cheng Sun are eager to find out more.

Source: http://phys.org/news/2016-08-dna-naturally-fluoresces.html

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