On this International DNA Day, it's worth remembering this fact. The molecule we celebrate is not just a sequence of letters; it's a thread that, when pulled patiently and even without a predetermined destination, can lead us from a cyclops sheep on an Idaho hillside to a medicine that saves human lives.
Every year on April 25th, Portugal celebrates freedom, and the world celebrates the molecule that changed everything: DNA, whose structure was revealed in 1953 and whose human sequence was published fifty years later. But the true power of DNA doesn't lie in knowing its structure or reading its code. It lies in what happens when we follow those letters to unexpected places, driven by nothing more than curiosity and a question that demands an answer.
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João Raimundo Researcher at the Biomedical Research Center (CBR) and lecturer at Católica Medical School
