81.   The studies prove that the government-managed dams need to provide more natural water flows, scientists say.

82.   While the very slight temperature rise is not enough to notice, Balling said the study does prove that moonbeams give the Earth both light and warmth.

83.   While the study does not prove drinking coffee causes rheumatoid arthritis, it is the first to produce evidence of a possible link.

84.   On the other hand, no study proves that prostate cancer screening decreases cancer mortality rates.

85.   Snegur told the parliament linguistic studies proved that Moldovan was merely a variation of the principal language.