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.
Buffalo can be found on specialized farms or roaming free within parks such as Yellowstone National Park. The plains bison, or buffalo, roams Kansas today on private land and in state parks. The American Bison was named the official state animal of Kansas in 1955. Entry: Buffalo in Kansas.