1.   Just as he would have been using Nicola Schreider, she reflected with sudden cold certainty.

2.   Because DNA evidence can be overwhelmingly convincing, swamping all other evidence with its air of cold scientific certainty, its use has been particularly controversial.

3.   Or are we a land of meanness, of cold certainty that the unfortunate deserve their fate?

4.   There is an odd comfort in the cold certainty of rail lines.