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The replication crisis

Think science always knows the whole truth? Errors are surprisingly common and many go undiscovered because they just aren’t seen as important enough, or because people take pains to hide them...

By Philip Ball  

The recent discovery of an astronomical signature for gravity waves was perhaps premature. © NASA/Tod Strohmayer (GSFC)/Dana Berry (Chandra X-Ray Observatory)

Some weeks back, I wrote an article for Prospect on the discovery of an astronomical signature of both cosmic inflation and gravitational waves. Either of these alone would be huge news. Cosmic inflation, a period of immensely rapid expansion of the universe, could explain several puzzles about…

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