Sentence examples for had ever proven from inspiring English sources

As NIAID Director Anthony Fauci explained, evidence suggested that early treatment benefited people but no randomized, controlled clinical trial had ever proven it until now.

But according to food virologist Lee-Ann Jaykus of North Carolina State University in Raleigh, "nobody had ever proven in a lab model that the virus can be aerosolized by vomiting".

What prompted the 137 co-authors to respond to the Nature article was not based on what Nowak et al. said about group selection, but their denial that it could also be framed in terms of inclusive fitness theory or that ideas framed in terms of inclusive fitness theory had ever proven to be useful.

There had been rumours for ages about match fixing in football, but noone had ever proved it.

In its 1993 paper, the C.D.C. said no clinical trials had ever proved malaria treatment worked and anecdotal reports on syphilis patients called it unpredictable.

He said that no other studies had ever proved a virus to be the cause, and that stress and a history of sexual and emotional abuse were more likely to play a role in many cases.

The memo, according to the producers, said that no movie with a monkey in it had ever proved successful.

In its letter to Grassley, the FBI didn't cite any evidence that it had ever proved that an employee actually used countermeasures.

"Everyone always says going on a walk gives you new ideas, but nobody had ever proved it before," said Marily Oppezzo, a psychology professor at Santa Clara University and the lead author of the study.

Until they got started on this study, no one had ever proved that CRISPR could be used to turn off a human disease gene, and the U. Mass researchers themselves weren't sure it would work.

Few smear campaigns have ever proven more baseless than this one".