An "oldie" (so to speak) but goldie: Wired's article recounting the pioneering efforts/attempts of Leonard Adleman to materialize the world's first DNA computer/computations.
From the article itself:
[...]
Thanks to learning algorithms and other evolutionary tools being incorporated into computers, the machines around us are becoming more lifelike. But Adleman wanted to tackle the question from the opposite direction. What if life itself, already susceptible to genetic engineering, could be used to solve problems? What if DNA could be shifted from reproducing life to thinking about it? Adleman imagined a future in which organic and inorganic computers link up; he wanted to witness this momentous occasion in his lifetime.
Inspired, he hopped out of bed and started to build the world's first DNA computer.
[...]
