Tags
A tag is a keyword or label that categorizes your question with other, similar questions.
a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
139 questions
An organized, armed, and often a prolonged conflict that is carried on between states, nations, or other parties.
137 questions
Use this tag for claims which apply to the country of Russia or the Commonwealth of Independent States.
137 questions
Gender is a range of characteristics used to distinguish between males and females, particularly in the cases of men and women and the masculine and feminine attributes assigned to them.
136 questions
Generally regarded as the center of the nervous system in most living beings.
134 questions
Questions about the religion of the Muslims; a monotheistic faith regarded as revealed through Muhammad as the Prophet of Allah.
130 questions
Term has many and varied definitions depending on context, but is generally accepted as the period in life between birth and puberty, although this can be argued. Can also refer to offspring at any stage in life.
126 questions
Sleep is a naturally recurring state characterized by reduced or absent consciousness, relatively suspended sensory activity, and inactivity of nearly all voluntary muscles. It is distinguished from quiet wakefulness by a decreased ability to react to stimuli, and is more easily reversible than being in hibernation or a coma.
125 questions
A computer is a programmable machine designed to automatically carry out a sequence of arithmetic or logical operations.
119 questions
Typically pertains to the study of aircraft. Can relate to the theories, design, construction, behavior and use of such craft.
118 questions
Use this tag for questions about the health of people on a community or population level. Do not use this tag for questions about the health of individuals or biological mechanisms.
115 questions
Use this tag for questions about the use or properties of "recreational" drugs such as marijuana, heroin, cocaine or LSD.
109 questions
Electromagnetism is the branch of science concerned with the forces that occur between electrically charged particles.
Use this tag for anything related to electricity, electrical or magnetic fields (such as microwave radiation), etc.
109 questions
Intelligence has been defined in many different ways such as in terms of one's capacity for logic, abstract thought, understanding, self-awareness, communication, learning, emotional knowledge, memory, planning, creativity and problem solving.
107 questions
Questions about a tubular weapon or other device designed to discharge projectiles or other material.
106 questions
All forms of competitive physical activity which, through casual or organized participation, aim to use, maintain or improve physical fitness and provide entertainment to participants.
102 questions
Use this tag for questions regarding "government" as a concept. DO NOT USE in lieu of "United States".
102 questions
A process in which energetic particles or energetic waves travel through a medium or space.
93 questions
A device that can make and receive telephone calls over a radio link whilst moving around a wide geographic area.
92 questions
The set of practices perceived by a community to be associated with the preservation of health and healthy living.
90 questions
The specifically human capacity for acquiring and using complex systems of communication.
89 questions
Commonly used term which refers to ethanol-containing alcoholic beverages. However, more broadly, the term can also be applied to any organic compound with a hydroxyl functional group bound to a carbon atom, such as methanol.
89 questions
Use this tag for medical drugs, medications, pharmaceuticals etc. For other questions about drugs, use [recreational-drugs].
83 questions
Questions about World War II (WWII or WW2), also known as the Second World War; a global war that lasted from 1939 to 1945.
82 questions
Questions about the system and organizations of communication through which information is spread to a large number of people; the coat of a wall consisting chiefly of fibers
82 questions
Science dealing with the study of space and celestial bodies. Can pertain to the composition, origin, motion, behavior or physical aspects of bodies in space as well as the practical applications of such information (ie: navigation).
82 questions
Questions about security; as it applies to any vulnerable and valuable asset, such as a person, dwelling, community, nation, or organization.
80 questions
Questions about the State of Japan; geographical location, political philosophies, historical significance, religious beliefs, ethnic diversity, and etc.
80 questions