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Virginity is the state of a person who has never engaged in sexual intercourse. The term virgin originally only referred to sexually inexperienced women...

The opisthokonts (from Ancient Greek ὀπίσθιος (opísthios) 'rear, posterior' and κοντός (kontós) 'pole, i.e. flagellum') are a broad group of eukaryotes...

The Allegheny woodrat (Neotoma magister), is a species of "pack rat" in the genus Neotoma. Once believed to be a subspecies of the eastern woodrat (Neotoma...

Aspergillus (/ˌæspərˈdʒɪləs/) is a genus consisting of several hundred mold species found in various climates worldwide. Aspergillus was first catalogued...

IUPAC definition Process of partial or total alteration of the native secondary, and/or tertiary, and/or quaternary structures of proteins or nucleic acids...

The common swift (Apus apus) is a medium-sized bird, superficially similar to the barn swallow or house martin but somewhat larger, though not stemming...

Spider silk is a protein fibre or silk spun by spiders. Spiders use silk to make webs or other structures that function as adhesive traps to catch prey...

Cinnamomum cassia, called Chinese cassia or Chinese cinnamon, is an evergreen tree originating in southern China and widely cultivated there and elsewhere...

The common murre, also called the common guillemot or foolish guillemot, (Uria aalge) is a large auk. It has a circumpolar distribution, occurring in low-Arctic...

Hair cells are the sensory receptors of both the auditory system and the vestibular system in the ears of all vertebrates, and in the lateral line organ...

Arbutus menziesii or Pacific madrone (commonly madrone or madrona in the United States and arbutus in Canada), is a species of broadleaf evergreen tree...

A sarcomere (Greek σάρξ sarx "flesh", μέρος meros "part") is the smallest functional unit of striated muscle tissue. It is the repeating unit between two...

Goldenseal (Hydrastis canadensis), also called orangeroot or yellow puccoon, is a perennial herb in the buttercup family Ranunculaceae, native to North...

A marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. Marine aquaria are further subdivided by hobbyists into...

Layering is a vegetative propagation technique where the stem or branch of a plant is manipulated to promote root development while still attached to the...

In neuroscience, glutamate is the anion of glutamic acid in its role as a neurotransmitter (a chemical that nerve cells use to send signals to other cells)...

Cellular neuroscience is a branch of neuroscience concerned with the study of neurons at a cellular level. This includes morphology and physiological properties...

This is a list of varieties of hop (Humulus lupulus). As there are male and female plants, the flowers (cones) of the female plant are fertilized by the...

Mapungubwe National Park is a national park in the Limpopo Province, South Africa. The park protects the historical site of Mapungubwe Hill, which was...

Jonathan "Jock" Paget (born 17 November 1983) is a New Zealand equestrian who won a bronze medal in Team eventing at the 2012 Summer Olympics. In 2013...