Carnegie investigators are leaders in the fields of plant biology, developmental biology, Earth and planetary sciences, astronomy, and global ecology. The institution has six research departments: the Geophysical Laboratory and the Department of Terrestrial Magnetism, both located in Washington, D.C.; The Observatories, in Pasadena, California, and Chile; the Department of Plant Biology and the Department of Global Ecology, in Stanford, California; and the Department of Embryology, in Baltimore, Maryland. The institution is also home to the Carnegie Academy for Science Education (CASE) and First Light. CASE teaches Washington, D.C. area teachers the art of teaching science and technology. First Light is a Saturday science school that allows middle-school students to explore the fun of hands-on science.