However, although this conclusion was found from the experiment, this has never been reported in earlier studies of adolescent depression. (personalityresearch.org)
He and his collaborators employed both simple and complex computer models in early studies of the role of clouds in climate change, and in research on the climatic effects of massive volcanic eruptions. (realclimate.org)
Yet earlier studies by his research group had shown that females can't hear sounds this low. (sciencemag.org)