1.   Its genes also hint at its remote ancestors.

2.   Our remote ancestors took two hundred million years to learn how to adapt to the land.

3.   Our remote ancestors were among those who found it expedient to change and diversify.

4.   Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from.

5.   Anthropologists assume that these hominids or their more remote ancestors migrated to Western Europe by way of the Middle East.

6.   How to account for that first step, which our remote ancestors took eons ago, still poses many puzzles.

7.   They were hunters and gatherers living far from the presumed home of their remote ancestors, in northeastern Asia.

8.   Why this revived interest in the work of ancestors so remote that we have trouble even considering them human?