In 2008, 38 students at the University of Michigan set out on a walk. Half of them wound their way through the trees in Ann Arbor’s Nichols Arboretum for 2.8 miles, while the other half navigated the same distance on the busy streets of downtown.
In 2008, 38 students at the University of Michigan set out on a walk. Half of them wound their way through the trees in Ann Arbor’s Nichols Arboretum for 2.8 miles, while the other half navigated the same distance on the busy streets of downtown.