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A tetrapod (/ˈtɛtrəˌpɒd/; from Ancient Greek τετρα- (tetra-) 'four', and πούς (poús) 'foot') is any four-limbed vertebrate animal of the superclass Tetrapoda...

Vicia faba, commonly known as the broad bean, fava bean, or faba bean, is a species of vetch, a flowering plant in the pea and bean family Fabaceae. It...

In human sexuality, top, bottom, and versatile are roles during sexual activity, especially between two men. A top is usually a person who penetrates,...

Prostate massage is the massage or stimulation of the prostate gland for medical purposes or sexual stimulation. The prostate takes part in the sexual...

Ciguatoxins are a class of toxic polycyclic polyethers found in fish that cause ciguatera. There are several different chemicals in this class. "CTX" is...

In phylogenetics and computational phylogenetics, maximum parsimony is an optimality criterion under which the phylogenetic tree that minimizes the total...

Wikimedia Commons has media related to Fraxinus pennsylvanica. Fraxinus pennsylvanica, the green ash or red ash, is a species of ash native to eastern...

Romeritos is a Mexican dish from Central Mexico, consisting of tender sprigs of seepweed (Suaeda spp.) which are boiled and served in a mole sauce seasoned...

A field hunter, or a fox hunter, is a type of horse used in the hunt field for fox hunting and stag hunting. The field hunter may be of any breed, but...

A petate [peˈtate] is a bedroll used in Central America and Mexico. Its name comes from the Náhuatl word petlatl [ˈpet͡ɬat͡ɬ]. The petate is woven from...

Quality Protein Maize (QPM) is a family of maize varieties. QPM grain contains nearly twice as much lysine and tryptophan, amino acids that are essential...

Pelargonium graveolens is a Pelargonium species native to the Cape Provinces and the Northern Provinces of South Africa, Zimbabwe and Mozambique. Pelargonium...

Ribostamycin is an aminoglycoside-aminocyclitol antibiotic isolated from a streptomycete, Streptomyces ribosidificus, originally identified in a soil sample...

Ipomoea oenotherae is a species of plant of the morning glory genus, Ipomoea, in the family Convolvulaceae. It derives its name from the resemblance it...

Kalopanax septemlobus, common names castor aralia, tree aralia, and prickly castor oil tree, is a deciduous tree in the family Araliaceae, the sole species...

32°49′48″N 117°03′18″W / 32.830°N 117.055°W / 32.830; -117.055 Mission Trails Regional Park is a 7,220-acre (29.2 km2) open space preserve within the...

Sexual bimaturism describes a difference in developmental timing between males and females of the same species. Sexual bimaturism can result in sexual...

52°22′31.732″N 4°53′53″E / 52.37548111°N 4.89806°E / 52.37548111; 4.89806 Warmoesstraat ('Chard Street') is one of the oldest streets in Amsterdam,...

Dipsacus pilosus, or small teasel, is a species of biennial flowering plant in the family Caprifoliaceae. The epithet small refers to the flower heads...

The Freiberger or Franches-Montagnes is a Swiss breed of horse of light draught type. It originates in the Canton of Jura in north-western Switzerland...