Radioactive iodine uptake testing is a useful diagnostic tool for assessing thyroid pathologies. The atom is the smallest unit of an element. An atom consists of electrons, protons and neutrons. Electrons revolve around the nucleus (made of protons and neutrons) in fixed orbits. The number of electrons equals number of protons in a neutral atom.
WHATâS NEW: 1  The Buffalo Bill Museum has been named one of the 25 best things to do in Iowa by VacationIdea Dream Vacation Magazine. 2  The Buffalo Bill Museum and LeClaire, Iowa are listed on the National Geographic website that helps people explore the Mississippi River.
LeClaire Store. Antique Archaeology is tucked away in the historic Mississippi River town of LeClaire, Iowa. Itâs the birthplace of Buffalo Bill. The two-story former fabrication shop is the home base for the American Pickers Show on History Channel. It now houses some of our best picks and a new merchandise store.