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Polychlorinated biphenyls (PCBs) are highly carcinogenic chemical compounds, formerly used in industrial and consumer products, whose production was banned...

Urination is the release of urine from the bladder to the outside of the body. Urine is released from the urethra through the penis or vulva in placental...

The Bromeliaceae (the bromeliads) are a family of monocot flowering plants of about 80 genera and 3700 known species, native mainly to the tropical Americas...

Developmental coordination disorder (DCD), also known as developmental motor coordination disorder, developmental dyspraxia or simply dyspraxia (from Ancient...

An academic degree is a qualification awarded to a student upon successful completion of a course of study in higher education, usually at a college or...

The Tupolev Tu-154 (Russian: Tyполев Ту-154; NATO reporting name: "Careless") is a three-engined, medium-range, narrow-body airliner designed in the mid-1960s...

A cyborg (/ˈsaɪbɔːrɡ/) (also known as cybernetic organism, cyber-organism, cyber-organic being, cybernetically enhanced organism or cybernetically augmented...

Schizoaffective disorder (SZA, SZD) is a mental disorder characterized by abnormal thought processes and an unstable mood. This diagnosis requires symptoms...

Franklin's lost expedition was a failed British voyage of Arctic exploration led by Captain Sir John Franklin that departed England in 1845 aboard two...

A generic drug (or simply generic) is a pharmaceutical drug that contains the same chemical substance as a drug that was originally protected by chemical...

A hybrid electric vehicle (HEV) is a type of hybrid vehicle that combines a conventional internal combustion engine (ICE) system with an electric propulsion...

Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites...

The persimmon (/pərˈsɪmən/) is the edible fruit of a number of species of trees in the genus Diospyros. The most widely cultivated of these is the kaki...

A biogeographic realm is the broadest biogeographic division of Earth's land surface, based on distributional patterns of terrestrial organisms. They are...

A decimal separator is a symbol that separates the integer part from the fractional part of a number written in decimal form (e.g., "." in 12.45). Different...

In probability theory and statistics, the coefficient of variation (CV), also known as normalized root-mean-square deviation (NRMSD), percent RMS, and...

CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for...

Snorkeling (British and Commonwealth English spelling: snorkelling) is the practice of swimming face down on or through a body of water while breathing...

Climate variability includes all the variations in the climate that last longer than individual weather events, whereas the term climate change only refers...

A diving chamber is a vessel for human occupation, which may have an entrance that can be sealed to hold an internal pressure significantly higher than...