USGS Scientist Removing the Brain from a White Sucker
Detailed Description
USGS scientist removing the brain from a fish (a white sucker) collected from Fourmile Creek near Ankeny, Iowa. The scientists tested the fish's brain for the presence of antidepressant drugs. Traces of antidepressant drugs were found in fish and also in the water from Fourmile Creek.
Sources/Usage
Public Domain.