Korchnoi is noted for his unusual longevity at the chessboard.

Since its release in 2010, Race to Nowhere has enjoyed an unusual longevity for a documentary motion picture.

Her unusual longevity seems to have caused no suspicion with the villagers.

A song of unusual longevity as a hit, it remained on the Billboard charts for much of 1982 as well, long after its peak.

"I haven't really been analytical about it," Showalter said, discussing his unusual longevity.

At this point his international career had shown unusual longevity - spanning almost two decades.

Like Thomas and Cara, she has received an unusual longevity, and therefore has lived for centuries.

Near-starvation and castration both bring unusual longevity, but few of us choose either option.

An analysis of a sample of Bass's corporate logos in 2011 found them to have an unusual longevity.

Its unusual longevity was first noticed in 1972 by reporter Mike Dunstan.