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321 results for "Costa Rica" — page 1 of 17
M_1_04 — Costa Rica Stone Spheres (Las Bolas)
The stone spheres of Costa Rica (Las Bolas or petrosferas) are over 300 pre-Columbian stone sculptures found primarily in the Diquís Delta of southern Costa Rica.
ZG_2_06 — Historical Linguistics and Language Family Classification
Historical linguistics is the scientific study of how languages change over time, how they are related to each other, and how they can be grouped into language families descended from common ancestors. The discipline's c
A_4_26 — Aztec Codices: Borgia Group and Mesoamerican Ritual Manuscripts
The Aztec codices — particularly the Borgia Group — are a set of pre-Columbian and early colonial-period painted manuscripts from central Mexico, produced on deerskin or bark paper (amatl) in screenfold format. The Borgi
A_3_14 — West African Oral Traditions
West African oral traditions constitute one of the world's richest and most extensively documented systems of non-written knowledge transmission. The griot (or djeli in Mande languages) tradition of the Manding, Wolof, F
A_3_21 — West African Creation Texts: Bambara & Fulani Cosmogony
The Bambara (Bamana) and Fulani (Fula/Peul) peoples of the western Sahel (Mali, Guinea, Senegal, Burkina Faso, Nigeria, and across West Africa) possess two of the most elaborate creation mythologies in Sub-Saharan Africa
A_3_12 — Epic of Sundiata: Mandinka Foundation Myth and West African Oral Epic
The Epic of Sundiata (Sunjata, Soundjata, Son-Jara) is the foundational oral epic of the Mandinka (Manding) peoples of West Africa, narrating the life of Sundiata Keita (c. 1217–1255 CE), the historical founder of the Ma
U_1_15 — Jazz: Improvisation, African Roots, and Cultural Revolution
Jazz — America's most original and influential art form — emerged in the early 20th century from the convergence of African rhythmic and improvisational traditions, African American blues and work songs, European harmony
X_1_17 — African Traditional Medicine
African traditional medicine (ATM) encompasses the diverse healing systems of sub-Saharan Africa, serving approximately 80% of the continent's population as a primary or complementary healthcare resource (WHO estimate).
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-
W_3_13 — Zanzibar and East African Trade Networks: Spice, Slaves, and Swahili Culture
Zanzibar — the archipelago off the coast of modern Tanzania — and the Swahili coast stretching from southern Somalia to northern Mozambique were the nexus of one of history's great maritime trade networks, connecting the
W_3_21 — The Songhai Empire: West Africa's Largest Pre-Colonial State
The Songhai Empire (c. 1464–1591 CE) was the largest state in African history, controlling approximately 1.4 million km² of West Africa at its peak under Askia Muhammad I (r. 1493–1528). Rising from the declining Mali Em
ZH_4_17 — Supernova Records Cross-Validation: Historical Observations and Modern Remnant Identification
Historical supernova observations — "guest stars" (kè xīng, 客星) recorded in Chinese, Japanese, Korean, Arabic, and European sources — provide a unique dataset for cross-validating astrophysical models of supernova remnan
ZH_4_13 — African Stellar Calendars: Borana, Mursi, Tswana
African stellar calendars represent some of the most sophisticated naked-eye observational systems in the ethnographic record, yet remain among the least studied in archaeoastronomy — a gap that reflects colonial biases
ZH_4_07 — African Astronomical Knowledge: Mursi, Borana, Nabta Playa
Africa — the continent of humanity's origin — has produced some of the world's oldest, most diverse, and most under-documented astronomical traditions. From the possible megalithic calendar circle at Nabta Playa in the e
ZH_3_10 — North American Mound Builders and Celestial Alignments
The mound-building cultures of eastern North America — spanning from Poverty Point (~1700 BCE) through the Adena (~800–100 BCE), Hopewell (~100 BCE–500 CE), Fort Ancient (~1000–1650 CE), and Mississippian (~800–1500 CE)
ZH_3_08 — Archaeoastronomy of Mesoamerica: Teotihuacan, Monte Albán
Mesoamerican archaeoastronomy encompasses the astronomical knowledge and celestial alignments embedded in the architecture, urban planning, calendrical systems, and ritual practices of civilizations from central Mexico t
ZH_3_12 — South American Archaeoastronomy Beyond the Inca
While the Inca astronomical tradition (the ceque system, the Intihuatana, and the dark-cloud constellations of the Milky Way) is the most thoroughly studied in South America, numerous pre-Inca and non-Inca civilizations
C_2_16 — Mesoamerican Mythology Beyond Maya and Aztec
Mesoamerican mythology is overwhelmingly studied through the lens of the Maya and Aztec/Mexica — the two civilizations with the most extensive surviving textual and iconographic records. Yet Mesoamerica was a mosaic of d
ZG_2_16 — Khoisan Click Languages & African Linguistic Diversity
Click consonants — produced by rarefaction of air using the tongue against various parts of the oral cavity — are among the most phonetically complex sounds in human language, found as regular phonemes in approximately 3
ZG_2_14 — Historical Pragmatics: Speech Acts and Politeness Across Centuries
Historical pragmatics investigates how language use in context — speech acts, politeness strategies, discourse organization, implicature, and interpersonal meaning — has changed over time. Where historical linguistics tr
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