translation.en: Now for the last 25 years, Ned Seeman and a bunch of his descendants have worked very hard and made beautiful three-dimensional structures using this kind of reaction of DNA strands coming together.
translation.zh: 在过去的二十五年里 Ned Seeman和几个他的学生 一直在辛苦研究,并利用这类DNA单股合在一起的反应