Engineering is the application of mathematics, empirical evidence and scientific, economic, social, and practical knowledge in order to invent, innovate, design, build, maintain, research, and improve structures, machines, tools, systems, components, materials, processes and organizations.

The Master of Business Administration (MBA or M.B.A.) is a master's degree in business administration (management). The MBA degree originated in the United States in the early 20th century when the country industrialized and companies sought scientific approaches to management. The core courses in an MBA program cover various areas of business such as accounting, finance, marketing, human resources, and operations in a manner most relevant to management analysis and strategy. Most programs also include elective courses.

Business school or MBA program accreditation by external agencies provides students and employers with an independent view of the school or program's quality, as well as whether the curriculum meets specific quality standards. The three major accrediting bodies in the United States are:
Association to Advance Collegiate Schools of Business (AACSB)
Accreditation Council for Business Schools and Programs (ACBSP)
International Assembly for Collegiate Business Education (IACBE)

Law is a system of rules that are enforced through social institutions to govern behavior. Laws can be made by a collective legislature or by a single legislator, resulting in statutes, by the executive through decrees and regulations, or by judges through binding precedent, normally in common law jurisdictions. Private individuals can create legally binding contracts, including arbitration agreements that may elect to accept alternative arbitration to the normal court process. The formation of laws themselves may be influenced by a constitution, written or tacit, and the rights encoded therein. The law shapes politics, economics, history and society in various ways and serves as a mediator of relations between people.

Medical availability and clinical practice varies across the world due to regional differences in culture and technology. Modern scientific medicine is highly developed in the Western world, while in developing countries such as parts of Africa or Asia, the population may rely more heavily on traditional medicine with limited evidence and efficacy and no required formal training for practitioners.Even in the developed world however, evidence-based medicine is not universally used in clinical practice; for example, a 2007 survey of literature reviews found that about 49% of the interventions lacked sufficient evidence to support either benefit or harm.

Today the Academy is charged with a dual function: to elect to membership the finest minds and most influential leaders, drawn from science, scholarship, business, public affairs, and the arts, from each generation, and to conduct policy studies in response to the needs of society. Major Academy projects now have focused on higher education and research, humanities and cultural studies, scientific and technological advances, politics, population and the environment, and the welfare of children.