Royal Intelligence Sanctum
A living command center. Every source, every domain, every iris variation — gathered, weighed, and reported in real time. The Eye does not sleep.
Eiberg et al. trace blue eyes to a single ancestor 6,000–10,000 years ago via an OCA2/HERC2 mutation.
Smithsonian summary of the founder-mutation hypothesis.
Comprehensive overview of eye color genetics, distribution, and physics.
Tyndall/Rayleigh scattering: blue eyes have no blue pigment.
NYT coverage of HERC2 discovery.
Scientific American on OCA2 regulation.
Original peer-reviewed paper.
PMC archive of foundational genetics research.
Encyclopedia entry on melanin, iris structure, color inheritance.
LiveScience report on Copenhagen findings.
NIH plain-language genetics primer.
BBC News coverage.
Clinical reference on iris anatomy and pigmentation.
Consumer overview.
Origins, prevalence, and traits.
Plain-language explainer.
National Human Genome Research Institute resource.
AJHG paper.
Science Magazine coverage.
Ancient DNA reveals Mesolithic Britons had blue eyes.
Britain's oldest near-complete skeleton, blue-eyed.
Long-form historical article.
Optical phenomenon producing blue iris color.
Why the sky and blue eyes appear blue.
Physics behind blue color.
Structural color explained.
Genetics + structure overview.
Historical lens on the mutation.
Guardian science desk.
WaPo coverage.
Radio segment & article.
The SNP that determines blue/brown.
Consumer genomics on eye color.
How traits are inherited.
Public-health overview.
NIH eye health hub.
Distribution by region.
Foundational PNAS paper.
Modern GWAS on iris color.
Specialist journal.
Forensic DNA phenotyping.
The gene that switches OCA2 on/off.
The melanin-production gene.
Ancient DNA research.
Population-genetic discussions.
Distribution maps.
Razib Khan archive.
Pop-science perspective.
Long-form science writing.
Aggregated open-access studies.
Live academic search feed.