They live for an average life-span of 400 years.

Indeed, reaction with ROS takes only few minutes, which is even shorter than average life-span of the most unstable RNAs.

The average life-span of an Israeli government is 25 months.

The average life-span of most species is 10 million years, although this varies widely between taxa.

Since this was the average life-span of an ordinary Tracker it was, for many deserving cases, a deathbed promotion.

Out of the 18 million casualties this illness has claimed worldwide, the majority lived in sub-Saharan Africa, where the average life-span has fallen to under 50 years and will fall still further to 45 years.

The average life-span of these frogs ranges from 5-15 years with some individuals recorded to have lived for 20-25 years.

Five hundred years seems to be their average life-span.

The average life-span of the Yaga was nine hundred years.

Their average life-span was seven years less than white Americans'.