Self-contradictory articles from April 2026

Ketamine is a cyclohexanone-derived general anesthetic and NMDA receptor antagonist with analgesic and hallucinogenic properties, used medically for anesthesia, depression, and pain management. Ketamine exists as its two enantiomers, S- (esketamine) and R- (arketamine), and has antidepressant action likely involving other mechanisms in addition to NMDA antagonism.

syndrome that is a functional bowel disorder

degenerative neurological disorder

right|200px|thumb|Diagram of interactions in MVC's Smalltalk-80 interpretation

Northeast Caucasian language

species of bacterium

thumb|upright=1.6|right|Map showing urban areas with at least ten million inhabitants in 2025, according to the Global Human Settlement Layer|GHSL

thumb|250x250px|The dingir sign worshiped by two figures on a cylinder seal from [[Mitanni, 16th–14th century BC]] Dingir ⟨⟩, usually transliterated DIĜIR, () is a Sumerian word for 'god' or 'goddess'. Its cuneiform sign is most commonly employed as the determinative for religious names and related concepts, in which case it is not pronounced and is conventionally transliterated as a superscript ⟨d⟩, e.g.

The true honeycreepers form a genus Cyanerpes of small birds in the tanager family Thraupidae. They are found in the tropical New World from Mexico south to Brazil. They occur in the forest canopy, and, as the name implies, they are specialist nectar feeders with long curved bills.

chemical compound

acute myeloid leukemia characterized by accumulation of promyelocytes in the bone marrow and by a translocation between chromosomes 15 and 17

medieval trade fairs

airport in India

Australian actor

1878–1881 conflict in the Old West of the US

flowering plant of the St John's wort family

overview of conservatism in Russia

Category 3 Australian region cyclone in 2007

Clara Sorrenti (born March 25, 1994), better known as Keffals, is a Canadian Twitch streamer, transgender activist, and left-wing political commentator. She began advocating transgender rights after Texas Governor Greg Abbott instructed Texas state agencies to treat gender-affirming medical treatments for transgender youths (such as puberty blockers or hormone treatments) as child abuse. She has commentated on her experiences as a trans woman and has hosted people such as Chelsea Manning on her stream.