The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.

The branch of science concerned with the nature and properties of matter and energy.

The branch of science that deals with the identification of the substances of which matter is composed.

The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.

The science which deals with the physical structure and substance of the earth.

The branch of science which deals with celestial objects, space, and the physical universe as a whole.

The abstract science of number, quantity, and space, either as abstract concepts (pure mathematics), or as applied to other disciplines such as physics and engineering (applied mathematics).

The branch of science and technology concerned with the design, building, and use of engines, machines, and structures.

The application of scientific knowledge for practical purposes, especially in industry.

An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

A global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.

The programs and other operating information used by a computer.

The machines, wiring, and other physical components of a computer or other electronic system.

A group or system of interconnected people or things.

Facts and statistics collected together for reference or analysis.

Facts provided or learned about something or someone.

Involving or relating to the use of computer technology.

Of or relating to electronics or to devices, circuits, or systems developed through electronics.

A machine capable of carrying out a complex series of actions automatically, especially one programmable by a computer.

The theory and development of computer systems able to perform tasks that normally require human intelligence, such as visual perception, speech recognition, decision-making, and translation between languages.

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

The available body of facts or information indicating whether a belief or proposition is true or valid.

A thing that is known or proved to be true.

The action or process of discovering or being discovered.

The action of inventing something, typically a process or device.

The action or process of innovating. A new method, idea, product, etc.

A sudden, dramatic, and important discovery or development.