11.   As a result, some scientists think our ears may prove to be a better guide than our eyes.

12.   As to whether everything will keep spreading apart, many scientists think it will.

13.   Before this kid rex was found, scientists thought perhaps fossils of nanotyrannus were really young T. rex.

14.   A Scottish scientist thinks tighter environmental regulations have reduced the petroleum flushed into the ocean, reducing its wave-smoothing effects.

15.   A. Some scientists think it is possible that volcanic activity might be at least partly responsible for the periodic weather phenomenon called El Nino.

16.   But after Papua New Guinea, scientists thought they might have underestimated the dangers of landslides.

17.   But eventually her work helped revolutionize how scientists think about the cognitive capabilities of very young infants.

18.   But some influential scientists think that ESTs should not be patentable.

19.   But scientists think they can find leaky pipes by analyzing the amount of caffeine in wastewater.

20.   But some scientists thought that the virus was a contaminant that often popped up in a laboratory, not something that could lead to a pandemic, Fukuda said.