Subtitle preview:
1
00:00:25,316 --> 00:00:28,570
<i>NARRATOR:</i>
<i>Mutation-- it is the key to our evolution.</i>
2
00:00:28,653 --> 00:00:32,032
<i>It has enabled us to evolve</i>
<i>from a single-celled organism</i>
3
00:00:32,115 --> 00:00:34,826
<i>into the dominant species</i>
<i>on the planet.</i>
4
00:00:34,909 --> 00:00:39,039