Science
Get flash to fully experience Pearltrees
Sociology
Sociology is the scientific study of human society [ 1 ] and its origins, development, organizations, and institutions . [ 2 ] It is a social science which uses various methods of empirical investigation [ 3 ] and critical analysis [ 4 ] to develop a body of knowledge about human social activity, structures, and functions.
Physics
Geology (from the Greek γῆ, gê , "earth" and λόγος, logos , "study") is the science comprising the study of solid Earth , the rocks of which it is composed, and the processes by which they change.
Geology
Chemistry , a branch of physical science , is the study of the composition, properties and behavior of matter . [ 1 ] [ 2 ] Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds . Chemistry is also concerned with the interactions between atoms (or groups of atoms) and various forms of energy (e.g. photochemical reactions, changes in phases of matter, separation of mixtures, properties of polymers, etc.).
Chemistry
Biology
Psychology