In striking contrast, a nearly perfect linear correlation with coefficients as high as 0.96 - 0.97 is found between corrected or uncorrected global surface temperature and total amount of stratospheric halogenated gases during 1970 - 2012. (climatesciencewatch.org)
Acute exercise significantly increased plasma serotonin, with a positive linear correlation found between serotonin concentration and exercise intensity. (content.iospress.com)
It has been reported that there is a highly significant, negative linear correlation between age and lean: fat ratios in dogs (Meyer & Stadtfeld, 1980; Harper, 1998b). (scielo.br)