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Oral sex, sometimes referred to as oral intercourse, is sexual activity involving the stimulation of the genitalia of a person by another person using...

Endemism is the state of a species only being found in a single defined geographic location, such as an island, state, nation, country or other defined...

Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting tail-like abdomen, usually hidden entirely under...

Sumac or sumach (/ˈsuːmæk, ˈʃuː-/ S(H)OO-mak, UK also /ˈsjuː-/) is any of about 35 species of flowering plants in the genus Rhus and related genera in...

Archosauria (lit. 'ruling reptiles') or archosaurs (/ˈɑːrkəˌsɔːr/) is a clade of diapsid sauropsid tetrapods, with birds and crocodilians being the only...

Erectile dysfunction (ED), also referred to as impotence, is a form of sexual dysfunction in males characterized by the persistent or recurring inability...

The swordfish (Xiphias gladius), also known as the broadbill in some countries, are large, highly migratory predatory fish characterized by a long, flat...

Storks are large, long-legged, long-necked wading birds with long, stout bills. They belong to the family Ciconiidae, and make up the order Ciconiiformes...

Cranes are a type of large bird with long legs and necks in the biological family Gruidae of the order Gruiformes. The family has 15 species placed in...

Sexual addiction is a state characterized by compulsive participation or engagement in sexual activity, particularly sexual intercourse, despite negative...

The tuatara (Sphenodon punctatus) is a species of reptile endemic to New Zealand. Despite its close resemblance to lizards, it is part of a distinct lineage...

Moringa oleifera is a fast-growing, drought-resistant tree of the family Moringaceae, native to the Indian subcontinent and used extensively in South and...

Nymphaeaceae (/ˌnɪmfiˈeɪsi.iː, -ˌaɪ/) is a family of flowering plants, commonly called water lilies. They live as rhizomatous aquatic herbs in temperate...

The acorn, or oaknut, is the nut of the oaks and their close relatives (genera Quercus and Lithocarpus, in the family Fagaceae). It usually contains a...

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...

The sika deer (Cervus nippon), also known as the Northern spotted deer or the Japanese deer, is a species of deer native to much of East Asia and introduced...

The Proteaceae /ˌproʊtiˈeɪsiː/ form a family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genera with...

The common pheasant (Phasianus colchicus) is a bird in the pheasant family (Phasianidae). The genus name comes from Latin phasianus, "pheasant". The species...

Hypoactive sexual desire disorder (HSDD), hyposexuality or inhibited sexual desire (ISD) is sometimes considered a sexual dysfunction, and is characterized...

Systems biology is the computational and mathematical analysis and modeling of complex biological systems. It is a biology-based interdisciplinary field...