Natural science sciences, there are three great branches of "natural science" which stand apart by reason of the variety of far reaching deductions drawn from a small number of primary postulates — they are mechanics, electrodynamics, and thermodynamics. Today, natural sciences are more commonly divided into life sciences, such as botany and zoology; and physical sciences, which include physics, chemistry, geology, astronomy, and materials science. Natural science Natural science is a branch of science concerned with the description, prediction, and understanding of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer review and repeatability of findings are
Tree of Science (Ramon Llull) Tree of Science (Ramon Llull) Tree of Science (Arbre de la ciència, Arbor Scientiae) is one of the most extensive and characteristic works of Ramon Llull, written in Rome between 1295 and 1296. It is a version in encyclopaedia format of General Art or "Ars magna" aimed to non university public. It has recourse to an analogy common in it: the organic comparison, in which each science is represented by a tree with roots, trunk, branches, leaves and fruits. The roots represent the basic principles of each science; the trunk is the structure; the branches, the genres; the leaves, the