His status would not be based on a biological fact or social accomplishment.

Why have you built such a mystique around a simple biological fact?

"It must be recognised that crime is a biological fact of society, whether ancient or modern," he said.

This is where biological facts and politics become involved.

But the biological fact that a human life begins at conception does not by itself settle the ethical debate.

Skin color is a biological fact, but "race" implies more.

There is no credible evidence for that, and most biologists have rejected the notion of race as a biological fact.

One was that race is an absolute biological fact.

It is therefore basic biological facts that form the basis of the proposed measures.

But we might as well get the biological facts right.