The cells were too small to be of human origin.

The natural history museum is a hall of human origins.

If that turns out to be the case, it may change some of the things we had thought about human origins.

It's a busy time in the study of human origins.

But there was no sound of even vaguely human origin.

The explosions were of human origin, that was for sure.

The term changed over time, however, and came to refer to the study of human origins.

Long letter in Nature about human origins and scientific method.

Some ancestors have human origins and are said to come from distant places.

But so far none had any difficulty in proving their human origin.