The double helix is indeed a remarkable molecule. Modern man is perhaps 50,000 years Old, civilization has existed for scarcely 10,000 years and the United States for Only just over 200 years; but DNA and RNA have been around for at least several billion years. All that time the double helix has been there, and active, and yet we are the first creatures on Earth to become aware Of its ish
Francis Crick
Francis Crick
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