A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
For questions about ethnicity. For questions about competitive racing, use the racing tag.
The observation of the actions of any particular life form, which may include contemplation and study of the motives and processes underlying such actions.
The only natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
the study and treatment of mental illness, emotional disturbance, and abnormal behavior.
Electronics deals with electrical circuits that involve active electrical components and associated passive interconnection technologies. Use this when asking about electronic devices, electronic desi…
the energy released during nuclear fission or fusion, especially when used to generate electricity.
The sciences of statistics and systematic analysis applied to the causes of health and disease.
A person in the service of another under any contract of hire, express or implied, oral or written, where the employer has the power or right to control and direct the employee in the material details…
The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, reporting more than a billion members. Led by the Pope, it defines its mission as spreading the g…
The science that studies the lands, the features, the inhabitants, and the phenomena of the Earth.
September 11, 2001, the date of terrorist attacks on the United States involving the World Trade Center, the Pentagon, and the crash of United Airlines flight 93. Also can refer to any of the theories…
A reduction of the total body mass, due to a mean loss of fluid, body fat or adipose tissue and/or lean mass.
Albert Einstein (14 March 1879 – 18 April 1955). Theoretical Physicist known popularly for his profound intelligence. Einstein is responsible for, among other things: The Theory of Relativity and Th…
The study of weather conditions and patterns as averaged over a given period of time.
the religion based on the person and teachings of Jesus of Nazareth, or its beliefs and practices.
An agency of the United States Federal Government responsible for the civilian space program as well as aeronautics and aerospace research.
a caliphate Islamic state declared over large swathes of Iraq and Syria and lead by its caliph Abu Bakr Baghdadi.
Common term for an upper-respiratory viral infection caused by any number of viral agents. Cold is commonly identified by the symptoms, which are characterized by cough, sneezing, sore throat, congest…
A method of summarising collective health within a group by calculating the average time members are expected to remain alive. Most used at the country level where the statistic is how long a newborn …
A system of biological structures and processes within an organism that protects against disease.
Chemical substances given to people intended to cure disease or alleviate symptoms of disease.
the legally or formally recognized union of a man and a woman (or, in some jurisdictions, two people of the same sex) as partners in a relationship.
for questions about Adolf Hitler, leader of the Nazi Party, Chancellor of Germany from 1933 to 1945.
The process of promoting and supporting the physical, emotional, social, and intellectual development of a child from infancy to adulthood.