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A pornographic film actor or actress, pornographic performer, adult entertainer, or porn star is a person who performs sexual activity on video that is...

The mustang is a free-roaming horse of the Western United States, descended from horses brought to the Americas by the Spanish conquistadors. Mustangs...

Theobroma cacao (cacao tree or cocoa tree) is a small (6–12 m (20–39 ft) tall) evergreen tree in the Malvaceae family. Its seeds—cocoa beans when dried...

Physical intimacy is sensuous proximity or touching. It is an act or reaction, such as an expression of feelings (including close friendship, platonic...

Biomechanics is the study of the structure, function and motion of the mechanical aspects of biological systems using the methods of mechanics. It operates...

Glycosylation is the reaction in which a carbohydrate (or 'glycan'), i.e. a glycosyl donor, is attached to a hydroxyl or other functional group of another...

Protein kinase B (PKB), also known as Akt, is the collective name of a set of three serine/threonine-specific protein kinases: Akt1, Akt2, and Akt3. Akt1...

An oligosaccharide (/ˌɒlɪɡoʊˈsækəˌraɪd/; from Ancient Greek ὀλίγος (olígos) 'few' and σάκχαρ (sákkhar) 'sugar') is a saccharide polymer containing a small...

In biology, a pair bond is the strong affinity that develops in some species between a mating pair, often leading to the production and rearing of young...

Eld's deer (Rucervus eldii or Panolia eldii), also known as the thamin or brow-antlered deer, is an Endangered species of deer endemic to South and Southeast...

The great bustard (Otis tarda) is a bird in the bustard family, and the only living member of the genus Otis. It breeds in open grasslands and farmland...

Ctenizidae (/ˈtənɪzədiː/ tə-NIZZ-ə-dee) is a small family of mygalomorph spiders that construct burrows with a cork-like trapdoor made of soil, vegetation...

Betasuchus is a genus of probable abelisaurid theropod dinosaur which lived during the Late Cretaceous Period. Betasuchus is, besides Orthomerus and birds...

The ventral tegmental area (VTA) (tegmentum is Latin for covering), also known as the ventral tegmental area of Tsai, or simply ventral tegmentum, is a...

Cork cambium (pl.: cambia or cambiums) is a tissue found in many vascular plants as a part of the periderm. It is one of the many layers of bark. It exists...

Zoo Tycoon 2 is a business simulation video game developed by Blue Fang Games and published by Microsoft Game Studios and MacSoft. Originally released...

Kalanchoe (/ˌkæləŋˈkoʊ.iː/ KAL-əng-KOH-ee), (also called "kalanchöe" or "kalanchoë"), is a genus of about 125 species of tropical, succulent plants in...

Philopatry is the tendency of an organism to stay in or habitually return to a particular area. The causes of philopatry are numerous, but natal philopatry...

Ophiocordyceps sinensis, formerly Cordyceps sinensis and colloquially known as caterpillar fungus, is an insect-pathogenic fungus in the family Ophiocordycipitaceae...

A carriage dog or coach dog is a type of dog bred and trained to trot alongside carriages to protect the occupants from banditry or other interference...