Science C1-10 How nature uses genes to design a butterfly wing.

"It would seem like a cosmic mistake if nature did not use this solution."

Private collectors were required, by law, to furnish details about each collection, such as, nature of the debt and the evidence used to support accusations.

Word play for literary works in which the nature of the words used themselves become part of the subject of the work.

Now nature had used no subtlety at all.

"People are taught to think in squares and cubes, even though nature does not use blocks to build," he said.

We now appreciate that nature has used the same molecules for a multitude of purposes in both brain and body.

It is made none the easier by the differences in approach used to analyze the nature of the problem.

The point to be observed in this is that the fewer the natures of weapons used, the more certain is the ammunition supply.

So nature had used an entirely nonchemical method of making a big, energy-squandering animal.