Hillis then reran the experiment but with this important difference: He allowed the sorting test itself to mutate while the evolving sorter tried to solve it.
I was anxious and depressed and had no life to speak of, I was temping to keep my options open, and I was sitting around at night in my underwear watching Seinfeld reruns.
Curious as to what it was in the sky that the beetles were using to navigate, the team moved their arena inside the Johannesburg planetarium and reran their experiments.