All articles starting with D
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Dark Adaptation
Dark adaptation is the slow recovery of visual sensitivity in darkness after light bleaches rhodopsin, taking 30–40 minutes, driven by the retinoid cycle, and delayed in AMD, where rod intercept time is a clinical biomarker.
Dark Ages (historiography)
Dark Ages is a historiographical label, coined from Petrarch's 1330s light-and-darkness metaphor, for the early Middle Ages (c. 500–1000) of Europe; modern historians rarely use it because it implies stagnation, and scholarship emphasizes continuity and medieval innovation instead.
Dark ambient
Dark ambient, also called ambient industrial or Black Ambient, is a post-industrial offshoot of ambient music from the mid-1980s built on drones, field recordings, and ominous atmosphere rather than beat or melody.
Dark Angel (1990 film)
Dark Angel, released in the US as I Come in Peace, is a 1990 American science-fiction action film directed by Craig R. Baxley, starring Dolph Lundgren.
Dark Angel (American TV series)
Dark Angel, Fox sci-fi series (2000-2002) created by James Cameron and Charles H. Eglee, starring Jessica Alba as supersoldier Max Guevara in post-Pulse Seattle; 42 episodes, two seasons, canceled on a cliffhanger.
Dark Angel (band)
Dark Angel is an American thrash metal band from Downey, California, formed as Shellshock in 1981. Known for Darkness Descends (1986) and Time Does Not Heal (1991), it returned in 2025 with Extinction Level Event.
Dark Asylum
Dark Asylum is Kamelot's fourteenth studio album, a symphonic power metal concept album released August 28, 2026 on Napalm Records, set in the fictional neo-Victorian RavenHill Asylum, with guests Ignacia Fernández, Clémentine Delauney, and Tobias Sammet.
Dark Avengers
Dark Avengers: Marvel Comics series (2009-2010) by Brian Michael Bendis and Mike Deodato Jr., in which Norman Osborn leads villains posing as Avengers during Dark Reign, ending in Siege; relaunched 2012 from Thunderbolts numbering.
Dark Avenues
Dark Avenues (Тёмные аллеи) is a cycle of short stories on love and loss by Ivan Bunin, written in exile in France between 1937 and 1945.
Dark Beast (Marvel Comics)
Dark Beast (Marvel Comics) is the evil Henry McCoy of Earth-295, the Age of Apocalypse reality ruled by Apocalypse. A sadistic geneticist, he escaped to the main Marvel Universe, impersonated the heroic Beast, experimented on Morlocks, and seemingly died in Uncanny X-Men (3rd series) #22.
Dark Blood
Dark Blood is an unfinished 1993 thriller directed by George Sluizer, starring River Phoenix, Jonathan Pryce, and Judy Davis. Phoenix died during production; Sluizer salvaged the footage and completed the film with narration in 2012.
Dark Blue (film)
Dark Blue (2002) is an American crime thriller directed by Ron Shelton, written by David Ayer from a James Ellroy story, starring Kurt Russell as a corrupt LAPD SIS detective during the 1992 Rodney King riots.
Dark chocolate
Dark chocolate: high-cocoa, low-milk chocolate labeled by cocoa percentage, melting at 32–34°C, rich in flavanols like epicatechin; used in ganache, mole, and baking, with EFSA suggesting 10 g/day high-flavanol chocolate.
Dark Chronicle (ダーククロニクル)
Dark Chronicle (ダーククロニクル), released as Dark Cloud 2 in North America, is Level-5's 2002 PlayStation 2 action RPG with Georama town building, invention, and weapon synthesis; Metacritic 87/100, PS4 re-release 2016.
Dark City (1998 film)
Dark City is a 1998 Australian-American science fiction neo-noir thriller directed by Alex Proyas, starring Rufus Sewell, Kiefer Sutherland, Jennifer Connelly, and William Hurt, about an amnesiac man hunted for murders he cannot remember.
Dark City: The Cleaner
Dark City: The Cleaner is a 2024 New Zealand six-part crime series, also called The Cleaner adaptation, based on Paul Cleave's 2006 novel; Cohen Holloway plays Joe Middleton, a Christchurch police-station cleaner who is secretly the serial killer Christchurch Carver.
Dark Cloud
Dark Cloud (ダーククラウド) is Level-5's 2000/2001 PlayStation 2 world-building action RPG published by Sony: georama town rebuilding, Atla collection, weapon leveling with breakage; Metacritic 80, sequel Dark Chronicle, no third game.
Dark count rate
Dark count rate is the rate of pulses a single-photon detector produces with no light on it, measured in counts per second and setting the detector's noise floor.
Dark Crimes
Dark Crimes (2016), originally titled True Crimes, is a US-Poland thriller directed by Alexandros Avranas, starring Jim Carrey as detective Tadek; adapted from David Grann's 2008 New Yorker article, it holds a 0% Rotten Tomatoes score and grossed $21,216.
Dark Desire (TV series)
Dark Desire (Oscuro deseo) is a Mexican Netflix erotic thriller created by Leticia López Margalli, starring Maite Perroni and Alejandro Speitzer; two seasons, 33 episodes, 2020-2022, 35 million accounts in 77 countries.
Dark Divine (band)
Dark Divine is an American metalcore band from Orlando, Florida, formed in 2021, also called a spooky hard rock band. Known for horror themes, the Halloweentown EP, and albums Deadly Fun (2023) and Undead Melody (2026) on Thriller Records; distinct from Like Moths to Flames' 2017 album of the same name.
Dark Emu
Dark Emu is a 2014 book by Australian writer Bruce Pascoe arguing that Aboriginal Australians practiced agriculture and lived in villages before European colonization, drawing on explorers' journals.
Dark energy
Dark energy is the unknown component causing the universe's expansion to accelerate, discovered in 1998 through distant supernovae and making up about 68% of the universe's energy.
Dark Energy Camera
The Dark Energy Camera (DECam) is a 570-megapixel imager on the Victor M. Blanco Telescope at Cerro Tololo, Chile, the primary instrument of the Dark Energy Survey.
Dark Energy Spectroscopic Instrument
The Dark Energy Spectroscopic Instrument is an optical spectrograph on the 4-meter Mayall Telescope at Kitt Peak, Arizona, built to measure dark energy's effect on cosmic expansion.
Dark Energy Survey
The Dark Energy Survey (DES) is an international astronomy project that imaged 5000 square degrees of the southern sky from Chile from 2013 to 2019 to study dark energy.
Dark Enlightenment
The Dark Enlightenment, also known as neoreaction or NRx, is a far-right anti-democratic current of thought named by philosopher Nick Land in his 2012 essay of that title.
Dark exciton
A dark exciton is a Coulomb-bound electron-hole pair whose light emission is forbidden or suppressed by selection rules, often forming the lowest exciton level in materials like WSe₂.
Dark excitons in monolayer TMDCs
Dark excitons in monolayer TMDCs are bound electron-hole pairs in atomically thin transition metal dichalcogenides that cannot emit light because recombination requires a spin flip or momentum transfer.
Dark fantasy
Dark fantasy: fantasy subgenre blending horror elements with fantastic settings; coined variously by Bennett, Grant, and Wagner; distinct from grimdark; spans Berserk, Elric, Sandman, Dark Souls, Ravenloft.