RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
726 results for "birdman cult" — page 24 of 37
X_1_02 — Ayurveda: Indian Medical System
Ayurveda ("science of life") is one of the world's oldest continuously practiced medical systems, originating in the Indian subcontinent with textual roots in the Charaka Samhita (~2nd century BCE, internal medicine) and
X_1_00 — Traditional Ancient Medicine: Subfolder Summary
X_1_06 — Shamanic Healing Traditions: Global Survey
Shamanic healing — the use of altered states of consciousness, ritual action, and spirit interaction for therapeutic purposes — represents humanity's oldest and most globally distributed medical tradition. Found on every
X_1_15 — Greek and Roman Medicine: Hippocrates, Galen, and Western Medical Foundations
Greek and Roman medicine constitutes the foundational tradition of Western medical science, spanning from the 5th century BCE to the 3rd century CE and dominating medical thought for over 1,500 years. Hippocrates of Kos
X_0_00 — Medicine & Healing: Section Summary
W_4_10 — Pueblo, Hopi, and Navajo Civilizations of the American Southwest
The Pueblo, Hopi, and Navajo (Diné) peoples of the American Southwest represent some of the most culturally continuous civilizations in the Americas, with archaeological records extending over 2,000 years and oral tradit
W_4_07 — Amazonian Traditions, Plant Teachers, and the Ayahuasca Complex
The Amazon Basin — the world's largest tropical rainforest — is home to approximately 400 indigenous groups with an extraordinary tradition of plant-based knowledge unmatched anywhere on Earth. At the center of this trad
W_4_06 — Dreamtime Songlines and Aboriginal Navigation
Songlines (also called dreaming tracks or song paths) are one of humanity's most extraordinary intellectual achievements — a vast network of songs that simultaneously encode mythological narrative, geographic navigation
W_4_09 — Indonesian Megalithic Living Traditions — Nias, Sumba, Toraja
Indonesia harbors what may be the world's most significant collection of living megalithic traditions — cultures that continue to quarry, transport, and erect massive stone monuments using methods broadly analogous to th
W_4_00 — Americas Pacific Indigenous: Subfolder Summary
W_4_08 — Native American Great Plains and Vision Quest Traditions
The Great Plains of North America — stretching from the Canadian prairies to Texas, from the Rocky Mountain foothills to the Mississippi — sustained some of the most mobile, ceremonially rich, and militarily sophisticate
W_0_00 — World Civilizations: Section Summary
W_3_08 — Yoruba Civilization: Ile-Ife, Orishas, and Diaspora Legacy
The Yoruba civilization — centered in southwestern Nigeria and the Republic of Benin — is one of the most culturally influential civilizations in African and world history, with a continuous urban tradition stretching ba
W_2_08 — Korean Shamanism (Muism / Musok)
Korean shamanism (Muism or Musok, 무속) is one of the oldest continuous spiritual traditions in East Asia, predating the introduction of Buddhism (4th century CE) and Confucianism to the Korean peninsula. Centered on mudan
W_2_10 — Hmong Cosmology, Shamanism, and the Shaman's Journey
The Hmong — a Hmong-Mien-speaking people originating in highland southern China with diaspora communities across Laos, Thailand, Vietnam, and the United States — maintain one of the most elaborate shamanic traditions sur
W_2_20 — Vedic Civilizations
The Vedic period (c. 1500–500 BCE) represents the formative era of Indian civilization, encompassing the composition of the Rig Veda (the oldest surviving Indo-European literary text), the development of the fire sacrifi
W_2_11 — East Asian Ancestor Veneration Systems
Ancestor veneration — the ritual maintenance of relationships with deceased family members through offerings, prayers, and commemorative ceremonies — constitutes the deepest continuous layer of East Asian religious pract
W_2_00 — Asian Civilizations: Subfolder Summary
W_5_00 — Steppe European Global: Subfolder Summary
ZH_4_09 — Astronomical Petroglyphs and Rock Art
Humans have carved, painted, and pecked celestial imagery into rock surfaces for at least 10,000 years — and possibly far longer. Astronomical petroglyphs and pictographs are found on every inhabited continent: images of
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