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809 results for "DER" — page 5 of 41

D_4_01 Sites & Artifacts

D_4_01 — Underground Cities and Myths

Over 200 underground cities have been discovered in Cappadocia alone, with Derinkuyu extending 18 stories deep and capable of sheltering 20,000 people. Major recent discoveries include the Midyat underground city (2020),

Derinkuyu Cappadocia Kaymakli underground subterranean tunnels
D_4_02 Sites & Artifacts

D_4_02 — Submerged Structures & Underwater Archaeology

Since the Last Glacial Maximum (~26,500–19,000 BP), global sea levels have risen approximately 120–130 meters, inundating an estimated 25 million km² of formerly habitable land — an area larger than North America. Any co

Yonaguni Dwarka Pavlopetri Bimini Road Nan Madol Heracleion
B_2_03 Beings & Entities

B_2_03 — Underground Creatures and Myths

Virtually every ancient civilization across the globe has myths and legends about beings living underground. These stories span continents, cultures, and millennia — often with striking similarities despite no known cont

underground subterranean Nagas Patala Agartha Hopi
B_2_22 Verified Beings & Entities

B_2_22 — Thunderbird: Storm Bird Mythology Across Cultures

The Thunderbird — a colossal avian being whose wingbeats produce thunder and whose eyes or beak flash lightning — is one of the most powerful and widespread figures in Indigenous North American mythology, documented acro

thunderbird storm bird Wakinyan Anzu Garuda Roc
B_1_03 Beings & Entities

B_1_03 — Osiris — Death, Resurrection, and the Underworld Kingdom

Osiris (Egyptian: Wsjr, conventionally vocalized as Wesir/Usir) is one of the most important deities of ancient Egypt — the god who rules the underworld (Duat), judges the dead, and provides the template for resurrection

Osiris Wesir Usir death and resurrection underworld Duat
B_1_04 Beings & Entities

B_1_04 — Ningishzida — Serpent Deity, Underworld Guardian, and Knowledge Bearer

Ningishzida (Sumerian: dNin-ĝiš-zid-da, "Lord of the Good Tree" or "Lord of the Faithful Tree") is a Mesopotamian deity associated with serpents, the underworld, vegetation, and secret knowledge. He appears in Sumerian t

Ningishzida Gizzida serpent deity underworld guardian Sumerian Mesopotamian
B_3_05 Beings & Entities

B_3_05 — Thunderbird and Avian Supernatural Beings

Supernatural avian beings — enormous, powerful, and frequently storm-associated birds — form one of the most persistent and geographically widespread motifs in world mythology. From the Thunderbird of North American Plai

Thunderbird Garuda Simurgh Phoenix Bennu Fenghuang
ZD_5_04 Verified Information & Computation

ZD_5_04 — Computer Graphics: Rendering, Visualization, and Visual Computing

Computer graphics (CG) is the field of computing concerned with generating, manipulating, and displaying visual content using computers — encompassing everything from the mathematical foundations of rendering photorealis

computer graphics rendering ray tracing rasterization 3D modeling GPU
ZD_2_15 Verified Information & Computation

ZD_2_15 — Transformer Architecture: Self-Attention and the Foundation of Modern AI

The transformer is a neural network architecture introduced in 2017 that replaced recurrent and convolutional models as the dominant paradigm in artificial intelligence. Its core innovation — the self-attention mechanism

transformer self-attention multi-head attention positional encoding encoder-decoder BERT
ZD_2_09 Verified Information & Computation

ZD_2_09 — Recommender Systems: Collaborative Filtering, Content-Based, and Hybrid Approaches

Recommender systems (RecSys) are algorithms and architectures that predict user preferences and suggest relevant items — products, movies, music, news articles, social media posts, job listings, potential partners — from

recommender systems collaborative filtering content-based filtering matrix factorization Netflix Prize personalization
L_1_10 Genetics & Origins

L_1_10 — Neanderthal Genome and Legacy in Modern Humans

The sequencing of the Neanderthal genome ranks among the most significant achievements in modern biology. Beginning with the draft genome of Green et al. (2010) and refined by later high-coverage genomes from the Altai,

Neanderthal genome Neanderthal admixture archaic introgression Vindija Altai Neanderthal Homo neanderthalensis
L_1_07 Genetics & Origins

L_1_07 — Genetic Bottlenecks, Founder Effects, and Toba

Genetic bottlenecks — dramatic reductions in population size that slash genetic diversity — and founder effects — the reduced variation carried by small colonizing groups — have profoundly shaped the genomes of species f

genetic bottleneck founder effect Toba catastrophe supervolcano effective population size Ashkenazi founder
L_2_17 Verified Genetics & Origins

L_2_17 — Pacific Islander Genetics: Austronesian Ancestry, Denisovan Introgression, and Oceanian Genomics

Pacific Islander populations — spanning Melanesia, Micronesia, and Polynesia — harbor some of the most genetically complex and scientifically informative genomes in human biology. Their genetic history records multiple d

Pacific Islander genetics Oceanian genomics Denisovan introgression Polynesian motif Austronesian ancestry Melanesian genetics
L_3_14 Verified Genetics & Origins

L_3_14 — Genetic Bottleneck Recovery and Founder Effects

A genetic bottleneck occurs when a population's size is drastically reduced, causing a random loss of genetic variation (alleles) that cannot be recovered through subsequent population growth. Founder effects are a speci

genetic-bottleneck founder-effect population-genetics toba-catastrophe effective-population-size heterozygosity
L_5_02 Verified Genetics & Origins

L_5_02 — Genetic Diseases and Founder Effect Populations

When a small group founds a new population and subsequently expands in relative isolation, genetic drift can amplify alleles that were rare in the ancestral population — including deleterious recessive disease alleles. T

founder effect genetic disease Tay-Sachs sickle cell cystic fibrosis Ashkenazi
Y_4_18 Verified Altered States

Y_4_18 — Sleep Disorders and Parasomnias: Pathologies of Consciousness in Sleep

Sleep disorders affect an estimated 50–70 million Americans and ~1 billion people globally, causing significant morbidity, mortality, and economic burden. The field was transformed by the discovery of distinct sleep stag

sleep-disorders parasomnia insomnia narcolepsy sleep-apnea rem-behavior-disorder
Y_2_06 Altered States

Y_2_06 — Dissociation, Depersonalization, and Derealization

Dissociation — the disruption of normally integrated functions of consciousness, memory, identity, emotion, perception, behavior, and sense of self — represents one of the most revealing natural experiments for understan

dissociation depersonalization derealization depersonalization-derealization disorder DDD dissociative identity disorder
Y_3_12 Credible Altered States

Y_3_12 — Whirling Dervishes: Sufi Sema Ceremony and Rotational Consciousness

The whirling dervishes — practitioners of the sema (or sama) ceremony of the Mevlevi order — are among the most recognizable embodiments of Sufi mysticism: figures in tall camel-hair hats (sikke) and flowing white skirts

whirling dervishes Mevlevi order Rumi sema Sufi spinning
Y_3_06 Altered States

Y_3_06 — Awe, Wonder, and Transcendent Emotions

Awe — the emotional response to perceived vastness that requires accommodation (cognitive restructuring of existing mental schemas) — has emerged as a frontier topic in affective neuroscience, positive psychology, and ph

awe wonder transcendent emotion self-transcendence vastness accommodation
H_2_15 Verified Suppression & Thesis

H_2_15 — Re-Dating Controversies: Sites Older Than Thought

The history of archaeology and prehistory is punctuated by re-dating controversies — cases where new evidence or improved dating technology revealed that sites, artifacts, or traditions were significantly older than prev

chronology re-dating radiocarbon luminescence older than thought Göbekli Tepe