11.   But a second kind of mutation occurs more rapidly and the combination of the two may make a reasonable clock.

12.   Celebrity encounters of the second kind are when the celebrity barely speaks to you.

13.   Deans used a second kind of stem cell found in the bone narrow, known as a mesenchymal stem cell.

14.   Howard, like Duvall, is the second kind.

15.   In many ways a Europe of this second kind would be a happier arrangement.

16.   Now it is time to extract a second kind of cheese, called misithra.

17.   Sometimes, that second kind of merchandise can be advertised as more valuable than it really is.

18.   The second kind of revenge, like what I did, is called transformational, where you try to transform the person who hurt you.

19.   The second kind of evidence involved tiny animals called foraminifera that live in oceanic surface waters.

20.   The second kind of quest will be an extension of the first.