Don't used the excuse of time span, as bacteria live thousands of generations within the window of a typical experiment. (religion.blogs.cnn.com)
In a typical experiment, a volunteer lies in an fMRI brain scanner, which can measure the amount of oxygen used in different parts of the brain. (discovermagazine.com)
In a typical experiment, a rat was placed in a cage with a light. (discovermagazine.com)