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.

66 results for "sex chromosome" — page 4 of 4

R_2_09 Credible Biology & Evolution

R_2_09 — Self-Domestication Hypothesis — Did Humans Tame Themselves?

The human self-domestication hypothesis proposes that Homo sapiens underwent a domestication process analogous to that of dogs, livestock, and Belyaev's experimentally domesticated foxes — but without an external domesti

self-domestication Brian Hare cranial globularization reduced brow ridge sexual dimorphism neural crest cells
F_1_23 Verified Lost Connections

F_1_23 — Genetic Adam & Mitochondrial Eve

"Mitochondrial Eve" and "Y-chromosomal Adam" are the names given to the most recent common ancestors (MRCAs) of all living humans through the exclusively maternal (mitochondrial DNA) and exclusively paternal (Y-chromosom

mitochondrial Eve Y-chromosomal Adam MRCA coalescent haplogroup mtDNA
F_4_03 Verified Lost Connections

F_4_03 — Ancient Maritime Technology and Naval Knowledge

The history of maritime technology reveals that ancient civilizations achieved levels of nautical engineering and navigational skill far exceeding common assumptions. Phoenician sailors may have circumnavigated Africa ~6

maritime technology ancient ships sailing navigation shipbuilding dhow
F_3_16 Credible Lost Connections

F_3_16 — Ancient Astronomical Knowledge Transfer: East to West

The transfer of astronomical knowledge from East to West — from Mesopotamian/Babylonian, Egyptian, Indian, and Persian traditions through Greek, Hellenistic, and Islamic intermediaries to medieval and Renaissance Europe

astronomy knowledge transfer Babylonian Egyptian Greek Indian
V_1_05 Verified Mathematics & Information

V_1_05 — Ancient Number Systems & Gematria

Every literate civilization developed a number system, and the diversity of these systems reveals both universal mathematical needs and culturally specific solutions.

number systems gematria Babylonian base-60 sexagesimal Egyptian fractions Rhind Papyrus
V_1_09 Verified Mathematics & Information

V_1_09 — Ancient Egyptian & Babylonian Mathematics

Ancient Egyptian and Babylonian mathematics — the two oldest documented mathematical traditions — represent fundamentally different approaches to mathematical thinking, both achieving remarkable sophistication millennia

Egyptian mathematics Babylonian mathematics Rhind Papyrus Moscow Papyrus Plimpton 322 cuneiform