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The Reduviidae is a large cosmopolitan family of the suborder Heteroptera of the order Hemiptera (true bugs). Among the Hemiptera and together with the...

The sexual revolution, also known as the sexual liberation, was a social movement that challenged traditional codes of behavior related to sexuality and...

Erotic asphyxiation (variously called asphyxiophilia, hypoxyphilia or breath control play) is the intentional restriction of oxygen to the brain for the...

The Virginia opossum (Didelphis virginiana), also known as the North American opossum, is the only opossum living north of Mexico, its range extending...

Erotic sexual denial is a popular form of sexual activity whereby sexual gratification for one or both partners is delayed or "denied" sexual experiences...

Histeridae is a family of beetles commonly known as clown beetles or hister beetles. This very diverse group of beetles contains 3,900 species found worldwide...

Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight. Birds have a light skeletal system...

Orange juice is a liquid extract of the orange tree fruit, produced by squeezing or reaming oranges. It comes in several different varieties, including...

Vagrancy is a phenomenon in biology whereby an individual animal (usually a bird) appears well outside its normal range; they are known as vagrants. The...

A leaflet (occasionally called foliole) in botany is a leaf-like part of a compound leaf. Though it resembles an entire leaf, a leaflet is not borne on...

A silique or siliqua (plural siliques or siliquae) is a type of fruit (seed capsule) having two fused carpels with the length being more than three times...

In neuroscience, tractography is a 3D modeling technique used to visually represent nerve tracts using data collected by diffusion MRI. It uses special...

Paraphyses are erect sterile filament-like support structures occurring among the reproductive apparatuses of fungi, ferns, bryophytes and some thallophytes...

Conservation in Australia is an issue of state and federal policy. Australia is one of the most biologically diverse countries in the world, with a large...

Horse teeth refers to the dentition of equine species, including horses and donkeys. Equines are both heterodontous and diphyodontous, which means that...

The Highland Pony is a native Scottish pony, and is one of the largest of the mountain and moorland pony breeds of the British Isles. Its pedigree dates...

In genetics, paternal mtDNA transmission and paternal mtDNA inheritance refer to the incidence of mitochondrial DNA (mtDNA) being passed from a father...

The PiggyBac (PB) transposon system employs a genetically engineered transposase enzyme to insert a gene into a cell's genome. It is built upon the natural...

Gloria Taylor (c. 1948 – October 4, 2012) was a Canadian who was an advocate of medically-assisted dying and suffered from Amyotrophic lateral sclerosis...

A beneficial weed can be an invasive plant that has some companion plant effect which is edible, contributes to soil health, adds ornamental value, and...