As it turns out, a slew of more rigorous studies have found no scientific basis for such claims. (discovermagazine.com)
To promote continued innovation and responsiveness of the program, up to 25 percent of the funding may be used for promising programs that are undergoing more rigorous study. (strongnation.org)
This view on historic temperatures, particularly in the Medieval Warm Period, has been reversed by a number of more rigorous studies. (climateaudit.org)