Archaeology is the scientific study of human history and prehistory through the excavation of artifacts and structures.

Astrophysics is a branch of physics that deals with the study of the universe, its celestial objects, and their physical properties.

Atmospheric science is the study of the Earth's atmosphere and its various inner-working physical processes.

Biology is a natural science that studies life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy.

A computed tomography (CT) scan, also known as a CAT scan, is a medical imaging technique that uses x-rays and computer processing to create detailed cross-sectional images of the body.

Electromagnetic induction is the process of using magnetic fields to generate electric currents in conductive materials.

Electromagnetic radiation refers to the waves of electric and magnetic fields that propagate through space.