The Globe and Mail reports in its Thursday, Nov. 17, edition that German researchers seeking to understand the effects of feeding dairy cows THC, the psychoactive compound found in industrial hemp, made a few intriguing discoveries, according to a study published in the journal Nature Food. A New York Times dispatch to The Globe reports that compared with cows that received the usual diet of corn and hay, the hemp-fed Holsteins were more chilled out, salivated and yawned more often, and frequently engaged in whimsical tongue play, the study found. They also spent more time lounging around the barn as they chewed their cud and ruminated the universe. They did not, however, exhibit a proclivity for binge eating. Although the behavioural changes were noteworthy, they were in some ways the unintended consequences of an experiment by researchers at the German Federal Institute for Risk Assessment, who were seeking to learn how THC-laden hemp might affect dairy production. The scientists also wanted to know whether THC could find its way to humans through milk. Indeed, researchers found THC made its way into milk, sometimes at levels that exceeded consumption limits set by food-safety regulators in Europe.