This second kind of analysis is done by lining up lots of known binding sites for a particular protein, comparing them position by position, and so finding out which letter is most likely to occur at which position, and how probable it is that a different letter may sometimes crop up instead.

ECONOMIST: How (and why) to find a needle in a haystack | The

And I was comparing his economic comments with my position, and strangely enough and luckily enough, I can actually afford more things in America these days because of the ruble which is so stronger than the -- comparatively than euro and dollar were meant to be.

WHITEHOUSE: Diplomatic Reception Room

Switching into a three-day format in 2010, and gobbling up a primetime position in the process, the popularity of the NFL draft has increased exponentially, comparing favorably with the vertical leap and 40-time of your average "Mike" linebacker.

CNN: Football season's over. Now what?