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Human papillomavirus infection (HPV infection) is caused by a DNA virus from the Papillomaviridae family. Many HPV infections cause no symptoms and 90%...

Populus is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. English names variously...

Amelanchier (/æməˈlænʃɪər/ am-ə-LAN-sheer), also known as shadbush, shadwood or shadblow, serviceberry or sarvisberry (or just sarvis), juneberry, saskatoon...

Asian box turtles are turtles of the genus Cuora in the family Geoemydidae. About 12 extant species are recognized. The keeled box turtle (Pyxidea mouhotii...

The greater white-fronted goose (Anser albifrons) is a species of goose that is closely related to the smaller lesser white-fronted goose (A. erythropus)...

Arenga pinnata (syn. Arenga saccharifera) is an economically important feather palm native to tropical Asia, from eastern India east to Malaysia, Indonesia...

Salix babylonica (Babylon willow or weeping willow; Chinese: 垂柳; pinyin: chuí liǔ) is a species of willow native to dry areas of northern China, but cultivated...

Staphylococcus epidermidis is a Gram-positive bacterium, and one of over 40 species belonging to the genus Staphylococcus. It is part of the normal human...

In genetics, an enhancer is a short (50–1500 bp) region of DNA that can be bound by proteins (activators) to increase the likelihood that transcription...

Quercus virginiana, also known as the southern live oak, is an evergreen oak tree endemic to the Southeastern United States. Though many other species...

Hermann's tortoise (Testudo hermanni) is a species of tortoise native to Europe. The specific epithet, hermanni, honors French naturalist Johann Hermann...

A goanna is any one of several species of lizard of the genus Varanus found in Australia and Southeast Asia. Around 70 species of Varanus are known, 25...

Solanum dulcamara is a species of vine in the genus Solanum (which also includes the potato and the tomato) of the family Solanaceae. Common names include...

Nyssa sylvatica, commonly known as tupelo, black tupelo, blackgum or sour gum, is a medium-sized deciduous tree native to eastern North America from the...

Rosa rugosa (rugosa rose, beach rose, Japanese rose, Ramanas rose, or letchberry) is a species of rose native to eastern Asia, in northeastern China, Japan...

Nepenthes × harryana (/nɪˈpɛnθiːz ˌhæriˈænə/; after Harry Veitch, head of the well known horticultural firm of Veitch & Sons) is the natural hybrid between...

Phosphoinositide phospholipase C (PLC, EC 3.1.4.11, triphosphoinositide phosphodiesterase, phosphoinositidase C, 1-phosphatidylinositol-4,5-bisphosphate...

Stretching, in the context of body piercing, is the deliberate expansion of a healed piercing for the purpose of wearing certain types of jewelry. Ear...

The pale-throated sloth (Bradypus tridactylus), occasionally known as the ai (/ˈɑːi/), is a species of three-toed sloth that inhabits tropical rainforests...

The Sevan trout (Salmo ischchan) is an endemic fish species of Lake Sevan in Armenia, known as ishkhan (իշխան, pronounced [iʃˈχɑn]) in Armenian. It is...