1.   A cult hit, the show tracked the evolution of a love relationship between an exceptionally photogenic young couple.

2.   Dr. Donald Elvin Savage, a paleontologist who tracked the evolution of the earliest anthropoid apes, died Monday at a hospice in Rossmoor, Calif.

3.   He also bought loads of records to track the evolution of electronic dance music from soul and disco to jungle.

4.   Her remarks track her evolution from first lady into near-candidate.

5.   Instruments, old candid studio photographs, early newspaper and magazine articles, and a variety of memorabilia track the evolution of rock and the Elvis explosion.