RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

3,449 results for "action potentials in plants" — page 123 of 173

W_1_07 Credible World Civilizations

W_1_07 — Etruscan Religion and Mystery Traditions

The Etruscans (self-named Rasenna) — who dominated central Italy from ~800–300 BCE before being absorbed by Rome — possessed one of antiquity's most elaborate divination and religious systems, yet their language remains

Etruscan Etruria Rasenna haruspicy liver divination Piacenza liver
W_1_28 Verified World Civilizations

W_1_28 — Bronze Age Collapse: The 1177 BCE Systems Failure and Mediterranean Civilizational Crisis

The Bronze Age Collapse (c. 1200–1150 BCE) destroyed or severely diminished every major civilization in the eastern Mediterranean within approximately 50 years — the Hittite Empire, Mycenaean Greece, the Egyptian New Kin

bronze age collapse 1177 bce sea peoples late bronze age systems collapse hittites
W_1_11 Verified World Civilizations

W_1_11 — Roman Religion, Augury, and Imperial Cult

Roman religion was not a personal faith system but a civic technology — a complex apparatus of ritual obligations, priestly colleges, and divinatory techniques designed to maintain the pax deorum ("peace of the gods") up

Roman religion augury auspices haruspicy pontifex maximus Vestal Virgins
W_3_20 Credible World Civilizations

W_3_20 — Mali Empire and Timbuktu: West African Scholarly and Trade Power

The Mali Empire (Manden Kurufaba, ~1235–1600 CE) — one of the largest and wealthiest states in pre-modern world history — dominated the West African Sahel and savanna, controlling trans-Saharan trade routes and the gold-

mali-empire timbuktu mansa-musa songhai trans-saharan-trade sankore
W_3_08 Credible World Civilizations

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

Yoruba Ile-Ife Orishas Oduduwa Ifa divination Benin
W_3_01 Verified World Civilizations

W_3_01 — Bantu Cosmology, Migration, and Iron Traditions

The Bantu expansion (~3000 BCE–500 CE) is one of the largest and most consequential human migrations in history: speakers of proto-Bantu languages from the Nigeria-Cameroon borderland spread across most of sub-Saharan Af

Bantu Bantu expansion Bantu migration Niger-Congo proto-Bantu iron smelting
W_3_05 Credible World Civilizations

W_3_05 — Haitian Vodou and Afro-Diasporic Syncretic Religions

Afro-Diasporic religions — including Haitian Vodou, Cuban Santería (Regla de Ocha), Brazilian Candomblé, and related traditions — represent one of the most extraordinary examples of cultural survival and creative synthes

Vodou Voodoo Santería Candomblé Umbanda lwa
W_3_24 Verified World Civilizations

W_3_24 — Nok Culture

The Nok culture (c. 1500 BCE – 500 CE) of central Nigeria produced sub-Saharan Africa's earliest-known large-scale terracotta sculpture tradition and some of the continent's earliest evidence for iron smelting. First ide

Nok culture terracotta West African Iron Age Nigeria Jos Plateau iron smelting
W_2_08 Verified World Civilizations

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

Korean shamanism Muism Musok mudang manshin baksu
W_2_04 Verified World Civilizations

W_2_04 — Tibetan Buddhism, Bön, and Hidden Knowledge (Terma)

Tibet's religious traditions represent one of the world's most elaborate systems for the exploration and mapping of consciousness states — from the Six Yogas of Naropa to the Dzogchen practices of pristine awareness, fro

Tibet Tibetan Buddhism Vajrayana Bön Bönpo terma
W_2_06 Verified World Civilizations

W_2_06 — Sikh Tradition — Guru Nanak, Adi Granth, and Universal Brotherhood

Sikhism, founded by Guru Nanak (1469–1539 CE) in the Punjab region, is the youngest of the world's major religions and among the most radical in its rejection of caste hierarchy, gender inequality, and empty ritual. Its

Sikhism Guru Nanak Adi Granth Guru Granth Sahib Khalsa langar
W_2_10 Credible World Civilizations

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

Hmong txiv neeb shaman ntuj shamanic journey funeral chant
W_2_13 Credible World Civilizations

W_2_13 — Sogdian Civilization: Silk Road Merchants and Cultural Brokers

The Sogdians — an Eastern Iranian people centered in the fertile valleys of the Zerafshan and Kashkadarya rivers (modern Uzbekistan and Tajikistan — the cities of Samarkand and Bukhara) — were the quintessential merchant

Sogdiana Sogdian Silk Road Samarkand Bukhara merchant network
W_2_11 Verified World Civilizations

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

ancestor veneration ancestral tablets spirit tablets zongci filial piety xiao
W_2_16 Verified World Civilizations

W_2_16 — Srivijaya Maritime Empire

Srivijaya (c. 650–1377 CE) was a Malay Buddhist thalassocracy centered on the island of Sumatra (modern Indonesia) that dominated maritime trade across the Strait of Malacca and the South China Sea for over 500 years. At

srivijaya maritime-empire southeast-asia sumatra malacca-strait buddhism
W_5_02 Verified World Civilizations

W_5_02 — Celtic and Druidic Traditions

The Celtic peoples — a linguistic and cultural group spread across Europe from Anatolia to Ireland between roughly 800 BCE and 400 CE — developed one of the most sophisticated pre-literate knowledge systems in the Wester

Celtic Druid Druidism Druidry ogham sacred grove
W_5_01 Verified World Civilizations

W_5_01 — Scythian / Steppe Nomad Traditions and Animal Style Art

The Scythians (c. 900–200 BCE) were a confederation of Iranian-speaking steppe nomads who dominated the Eurasian grasslands from the Black Sea to the Altai Mountains. Known primarily through Herodotus (Book IV) and spect

Scythian Scythia steppe nomads Pazyryk kurgan Kurgan hypothesis
W_5_25 Credible World Civilizations

W_5_25 — Silk Road & Ancient Trade Networks

The Silk Road — a term coined by German geographer Ferdinand von Richthofen in 1877 (Seidenstraße) — refers to the interconnected network of overland and maritime trade routes linking China, Central Asia, the Indian subc

Silk Road trade networks Sogdians caravansary spice trade incense route
W_5_12 Credible World Civilizations

W_5_12 — Lapita Culture: Pacific Colonization and Pottery Horizon

The Lapita cultural complex (c. 1600/1500–500 BCE) was the foundational maritime culture that colonized Remote Oceania — transforming the Pacific from a barrier into a highway and ultimately giving rise to the Polynesian

Lapita Pacific Oceania colonization pottery Melanesia
W_5_07 Verified World Civilizations

W_5_07 — Sami Shamanism and Circumpolar Traditions

The circumpolar world — the vast band of Arctic and subarctic territory stretching from Scandinavia across Siberia to Alaska, Canada, and Greenland — is home to indigenous peoples whose spiritual traditions represent som

Sami Saami Lapland Sápmi noaidi joik