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Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. The first known case was identified in Wuhan, China,...

Escherichia coli (/ˌɛʃəˈrɪkiə ˈkoʊlaɪ/ ESH-ə-RIK-ee-ə KOH-lye) is a gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia...

A pornographic film actor or actress, pornographic performer, adult entertainer, or porn star is a person who performs sex acts on video that is usually...

The Labrador Retriever or simply Labrador is a British breed of retriever gun dog. It was developed in the United Kingdom from St. John's water dogs imported...

Human sexuality is the way people experience and express themselves sexually. This involves biological, psychological, physical, erotic, emotional, social...

Child pornography (also called CP, child sexual abuse material, CSAM, child porn, kiddie porn) is erotic material that depicts persons under the designated...

Intersex people are individuals born with any of several sex characteristics including chromosome patterns, gonads, or genitals that, according to the...

The sperm whale or cachalot (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator. It is the only living member...

The guinea pig or domestic guinea pig (Cavia porcellus), also known as the cavy or domestic cavy (/ˈkeɪvi/ KAY-vee), is a species of rodent belonging to...

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

Asteraceae (/ˌæstəˈreɪsi.iː, -ˌaɪ/) is a large family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the order...

Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (/pɪˈnɒfɪtə, ˈpaɪnoʊfaɪtə/)...

A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection...

A cactus (pl.: cacti, cactuses, or less commonly, cactus) is a member of the plant family Cactaceae (/kæˈkteɪsiaɪ, -siːiː/), a family comprising about...

The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual...

The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was the mass extinction of three-quarters of...

Starlings are small to medium-sized passerine birds in the family Sturnidae, common name of Sturnid. The Sturnidae are named for the genus Sturnus, which...

The ferret (Mustela furo) is a small, domesticated species belonging to the family Mustelidae. The ferret is most likely a domesticated form of the wild...

A lynx (/lɪŋks/ links; pl.: lynx or lynxes) is any of the four extant species (the Canada lynx, Iberian lynx, Eurasian lynx and the bobcat) within the...

Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the...