Sentence examples for have persisted on from inspiring English sources
The lake may have persisted on Mars for tens of thousands of years, said John Grotzinger, project scientist on the Nasa mission at Caltech in Pasadena, California.
(A small number of mammoths may have persisted on Russia's Wrangel Island in the Arctic Ocean until as recently as 2,000 years ago).
But small ice caps might have persisted on the East Greenland highlands during such deglaciated episodes, and could be the origin of the 10Be-poor material observed in Bierman and co-workers' marine sediments.
"A fundamental question regarding the habitability of early Mars is how long liquid water, in the form of lakes, or even oceans, might have persisted on the surface to support microbial life that may have been present," said Dr Paul Mahaffy, at Nasa's Goddard Space Flight Centre and lead author on the parallel paper.
Thus, despite the disappearance of nearby genes, these genes have persisted on the Y chromosome, the team reports online today in Nature.
But the actual streams themselves may have persisted on the surface for long periods, said Curiosity science co-investigator Bill Dietrich of the University of California, Berkeley.
Much has changed in the 2012 presidential contest over the past week or so, but one thing that has persisted on the campaign trail is the "You didn't build that" line of attack.
Chief among these are the labels, "abuse" and "abuser". While intense rhetoric has persisted on this topic, little empirical information exists to inform this debate.
At the Cafe Wha, a basement club that has persisted on Macdougal Street through eras of hippies and yuppies, the Monday night draw is a band that usually features the buoyant singer Vanessa Falabella.
Its displacement by California beginning in the middle of that decade was caused by the enormous growth rate that has persisted on the West Coast rather than by a large decline in New York itself.
However, in some areas in between fiord onset zones, more weathered till is present, containing considerably higher CIA values, high 10Bemet concentrations, and secondary clay mineral weathering products, implying that the till has persisted on the landscape and weathered during successive glaciations.
