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Yale University Physics Department

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uuid0053qzp

Namestring
Yale University Physics Department
Legal namestring
Yale University
Company typeenum
Private
Founded yearint
1701
Descriptiontext

The Yale University Physics Department is an academic research and education unit within Yale University, a private Ivy League research university founded in 1701 in New Haven, Connecticut. The department delivers undergraduate and graduate physics education — including Ph.D. programs in condensed matter, particle physics, nuclear physics, astrophysics, and quantum information science — while conducting fundamental theoretical and experimental research. Its research infrastructure spans multiple buildings: the Sloane Physics Laboratory (217 Prospect Street) houses the Chair's Office; the Sterling Chemistry Lab and Yale Science Building support instructional labs and research; Wright Laboratory (272 Whitney Avenue) is the flagship facility for particle, nuclear, and astrophysics research; the Yale Quantum Institute (17 Hillhouse Avenue) anchors quantum science; and Kline Tower provides additional research space.

Technically, the department operates in domains including condensed matter physics, particle physics, nuclear physics, quantum physics, and astrophysics, with proprietary experimental platforms such as the CUORE Cryostat (ultra-low-temperature detector for neutrinoless double beta decay), quantum sensors for precision measurement, IceCube and PROSPECT neutrino detection systems, COSINE-100, DM-Ice and HAYSTAC dark matter experiments, superconducting qubit quantum circuit research, and topological quantum matter theory. It maintains a leadership role in multiple international collaborations, including CERN's ATLAS, IceCube at the South Pole, CUORE/CUPID at Gran Sasso, COSINE-100 in Korea, ANAIS-112 in Spain, and the Yale-led HAYSTAC axion search.

As a non-profit academic unit, the department has no commercial product revenue. Operating funds are sourced from tuition and financial aid through Yale University, federal and international research grants (e.g., a two-year $15 million NSF award via the QuantumCT partnership with UConn), and philanthropic donations such as the Henry T. and William D. Sloane Fund for Physics. The "customers" are graduate students, undergraduate students, postdoctoral researchers, and faculty; outputs are peer-reviewed publications, trained physicists, fundamental scientific discoveries, and translational contributions to quantum technology.

Short descriptiontext

The Yale University Physics Department is an academic unit of Yale University that conducts fundamental physics research across quantum, particle, nuclear, condensed matter, and astrophysics domains while training undergraduate and graduate students, supported by federal grants and university funding.

Operating statusenum
Operating
Ownership categoryenum
Headcount rangeband
1–10
akta.pro rankint
HeadquartersNew Haven, United States
HQ citystring
New Haven
HQ countrystring
United States
HQ regionstring
North America
Markets served

Serves global market

Offices6 records

Each record includes

City, Country, Type, Description, Source

Keyword5 values
physics research, higher education, quantum science research, particle physics research, graduate physics education
Industry3 codes
1STEM-Focused Research Universities (Engineering & Applied Sciences)
CodeEDAHABABPrimaryYes
2Physics Enrichment Programs
CodeEDAMABAHPrimaryNo
3Hands-on Science Exploration & Experiments (Lab Kits, Science Clubs)
CodeEDAMABAAPrimaryNo
NAICS code1 code
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)541715
SIC code1 code
  • Services-Commercial Physical & Biological Research8731
Product category
Higher Education and Academic Research
Marketing channels6 records

Each record includes

Title, Type, Stage, Description, Source

Cost components5 values
Personnel, Infrastructure, Technology or R&D, Operations, Others
GTM typeB2C
B2C
Offering typeServices
Services
Core offering1 text field

The Yale University Physics Department is an academic research and teaching unit within Yale University that delivers undergraduate and graduate physics education (B.S., M.S., Ph.D.) and conducts fundamental scientific research across condensed matter physics, particle physics, nuclear physics, quantum physics, and astrophysics. It operates research facilities including Wright Laboratory, the Yale Quantum Institute, Sloane Physics Laboratory, the Yale Science Building, and Kline Tower, and contributes to major international experiments at CERN, the South Pole, and underground laboratories in Italy, Korea, and Spain.

Differentiator
Functional benefit
Problem solved
Quantifiable outcome1 of 4 values shown
  • Major NSF award ($15 million) for quantum technology innovation through QuantumCT partnership
+3 more records
Product overview1 text field

Yale University Physics Department is an academic research and educational institution, not a commercial product company. The department offers physics education (undergraduate and graduate programs), conducts fundamental scientific research across multiple areas including quantum physics, particle physics, nuclear physics, and astrophysics, and provides seminar series, public lectures, and outreach programs. The department operates research facilities including Wright Lab, Yale Quantum Institute, Sloane Physics Laboratory, Sterling Chemistry Lab, Yale Science Building, and Kline Tower.

Product and service1 record
1Undergraduate Physics Program (B.S.)
Scale indicator6 records

Each record includes

Type, Value, Description, Source

Partnership10 partners
Strategic tierCoreTypeStrategic or Co-development PartnerAnnounced on2025-07-14
Description

QuantumCT is a public-private quantum research initiative led by UConn and Yale University, receiving a two-year $15 million NSF award to advance American quantum innovation. Yale contributes world-leading research expertise to pursue translational research benefiting industry, generating technology ventures, and training the region's workforce in high-growth quantum fields.

Strategic tierCoreTypeStrategic or Co-development Partner
Description

Lead partner in the QuantumCT public-private quantum research initiative alongside Yale, jointly receiving NSF funding for quantum technology advancement.

Strategic tierCoreTypeStrategic or Co-development Partner
Description

International dark matter detection collaboration operating detectors in Korea (Y2L underground laboratory), with Yale researchers led by Professor Reina Maruyama participating in combined searches with ANAIS-112.

4ANAIS-112 Collaboration
Strategic tierCoreTypeStrategic or Co-development Partner
Description

International dark matter search experiment located at the Canfranc Underground Laboratory (LSC) in Zaragoza, Spain, collaborating with Yale's COSINE-100 team on model-independent DAMA signal tests.

physics.yale.edu
5CUORE/CUPID Collaboration
Strategic tierCoreTypeStrategic or Co-development Partner
Description

Cryogenic Underground Observatory for Rare Events and its upgrade CUPID, searching for neutrinoless double beta decay at Gran Sasso National Laboratory in Italy.

physics.yale.edu
Strategic tierCoreTypeStrategic or Co-development Partner
Description

International neutrino detection collaboration at the South Pole, with Yale contributing to neutrino physics research.

7ATLAS Collaboration
Strategic tierCoreTypeStrategic or Co-development Partner
Description

Particle physics experiment at CERN's Large Hadron Collider, with Yale researchers contributing to high-energy physics research.

physics.yale.edu
Strategic tierCoreTypeStrategic or Co-development Partner
Description

Haloscope At Yale Sensitive To Axion CDM - Yale-led microwave cavity axion dark matter experiment, featured in Nature 2021 for quantum-enhanced dark matter search.

Strategic tierCoreTypeOthers
Description

Yale's major interdisciplinary research facility for particle physics, nuclear physics, astrophysics, and related technologies, jointly operated by the Physics and Applied Physics departments.

Strategic tierCoreTypeOthers
Description

Yale's quantum science and technology research hub bringing together researchers from Physics, Engineering, and other departments to advance quantum information science.

Recent move6 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight5 records

Each record includes

Type, Description

Peers10 records
TypeDirect peer
Description

Private research university physics division with comparable scale and concentration of Nobel-recognized faculty; runs overlapping experimental programs in particle physics and quantum science.

TypeDirect peer
Description

Peer Ivy League physics department with overlapping experimental and theoretical programs in particle physics, atomic/molecular/optical physics, and quantum science; competes for the same faculty, students, and grants.

3MIT Department of Physics
TypeDirect peer
Description

Top-tier private research university physics department conducting comparable frontier research across condensed matter, particle physics, astrophysics, and quantum information science. Closest peer in scale, mission, and research breadth.

4UC Berkeley Department of Physics
TypeDirect peer
Description

Public research university physics department of comparable scale and research breadth; major peer in particle physics, condensed matter, and quantum information; competes for federal awards and graduate students.

TypeDirect peer
Description

Private research university physics department with comparable mission, with notable overlap in particle physics, astrophysics, and theoretical physics.

TypeDirect peer
Description

Private Ivy-equivalent research university physics department with strong programs in condensed matter, particle physics, and astrophysics, and ties to CHESS and LHC experiments.

TypeDirect peer
Description

Private research university physics department with strong programs in theoretical and experimental physics including condensed matter, particle physics, and astrophysics, comparable in mission and prestige.

TypeDirect peer
Description

Private research university physics department closely tied to SLAC National Accelerator Laboratory, with deep involvement in particle physics, astrophysics, and quantum information; competes for the same federal funding pools.

TypeDirect peer
Description

Ivy League peer with overlapping research in particle physics, astrophysics, and condensed matter; competes for Northeast graduate student and faculty talent.

TypeEmerging player
Description

Leading international physics department with comparable research programs in condensed matter, particle physics, and quantum science; relevant as a global peer for international collaborations such as those Yale participates in.

Market position
Strengths4 records

Each record includes

Headline, Details, Source

Weaknesses4 records

Each record includes

Headline, Details, Source

Competitive moat4 records

Each record includes

Type, Details

Key risks5 records

Each record includes

Headline, Details, Source

Key highlights6 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Segment4 records

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile4 records

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
Yes
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Feature6 records

Each record includes

Title, Differentiator, Description, Source

Core technology
Revenue estimate
Valuation estimate
Number of profiles
Profiles14 records

Each record includes

Name, Designation, Designation category, Overview, Profile commentary, Source

Subsidiaries6 records

Each record includes

Name, Acquired on, Relationship type, Type, Business focus

No data
Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors

Each record includes

Name, Type, Date of entry, Rounds participated, Website

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Yale University Physics Department

Higher Education and Academic Researchphysics.yale.edu

The Yale University Physics Department is an academic unit of Yale University that conducts fundamental physics research across quantum, particle, nuclear, condensed matter, and astrophysics domains while training undergraduate and graduate students, supported by federal grants and university funding.

What Yale University Physics Department does

The Yale University Physics Department is an academic research and education unit within Yale University, a private Ivy League research university founded in 1701 in New Haven, Connecticut. The department delivers undergraduate and graduate physics education — including Ph.D. programs in condensed matter, particle physics, nuclear physics, astrophysics, and quantum information science — while conducting fundamental theoretical and experimental research. Its research infrastructure spans multiple buildings: the Sloane Physics Laboratory (217 Prospect Street) houses the Chair's Office; the Sterling Chemistry Lab and Yale Science Building support instructional labs and research; Wright Laboratory (272 Whitney Avenue) is the flagship facility for particle, nuclear, and astrophysics research; the Yale Quantum Institute (17 Hillhouse Avenue) anchors quantum science; and Kline Tower provides additional research space.

Technically, the department operates in domains including condensed matter physics, particle physics, nuclear physics, quantum physics, and astrophysics, with proprietary experimental platforms such as the CUORE Cryostat (ultra-low-temperature detector for neutrinoless double beta decay), quantum sensors for precision measurement, IceCube and PROSPECT neutrino detection systems, COSINE-100, DM-Ice and HAYSTAC dark matter experiments, superconducting qubit quantum circuit research, and topological quantum matter theory. It maintains a leadership role in multiple international collaborations, including CERN's ATLAS, IceCube at the South Pole, CUORE/CUPID at Gran Sasso, COSINE-100 in Korea, ANAIS-112 in Spain, and the Yale-led HAYSTAC axion search.

As a non-profit academic unit, the department has no commercial product revenue. Operating funds are sourced from tuition and financial aid through Yale University, federal and international research grants (e.g., a two-year $15 million NSF award via the QuantumCT partnership with UConn), and philanthropic donations such as the Henry T. and William D. Sloane Fund for Physics. The "customers" are graduate students, undergraduate students, postdoctoral researchers, and faculty; outputs are peer-reviewed publications, trained physicists, fundamental scientific discoveries, and translational contributions to quantum technology.

Yale University Physics Department firmographics

Firmographics
Name
Yale University Physics Department
Legal name
Yale University
Website
https://physics.yale.edu
Company type
Private
Founded year
1701
Operating status
Operating
Headcount range
1–10 employees
Short description
The Yale University Physics Department is an academic unit of Yale University that conducts fundamental physics research across quantum, particle, nuclear, condensed matter, and astrophysics domains while training undergraduate and graduate students, supported by federal grants and university funding.
Ownership category
akta.pro rank

Yale University Physics Department industry classification

Industry
Product category
Higher Education and Academic Research
NAICS
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (541715)
SIC
Services-Commercial Physical & Biological Research (8731)
akta.pro primary industry
STEM-Focused Research Universities (Engineering & Applied Sciences) (EDAHABAB)
akta.pro secondary industries
Physics Enrichment Programs (EDAMABAH), Hands-on Science Exploration & Experiments (Lab Kits, Science Clubs) (EDAMABAA)

Keywords

  • Physics research
  • Higher education
  • Quantum science research
  • Particle physics research
  • Graduate physics education

Where Yale University Physics Department is headquartered

Location

Headquarters

HQ city
New Haven
HQ country
United States
HQ region
North America

Offices6 records

Markets served

Yale University Physics Department business model

Business model
GTM type
B2C
Offering type
Services
Cost components
Personnel, Infrastructure, Technology or R&D, Operations, Others

Marketing channels6 records

Yale University Physics Department product offering

Product offering

Core offering

The Yale University Physics Department is an academic research and teaching unit within Yale University that delivers undergraduate and graduate physics education (B.S., M.S., Ph.D.) and conducts fundamental scientific research across condensed matter physics, particle physics, nuclear physics, quantum physics, and astrophysics. It operates research facilities including Wright Laboratory, the Yale Quantum Institute, Sloane Physics Laboratory, the Yale Science Building, and Kline Tower, and contributes to major international experiments at CERN, the South Pole, and underground laboratories in Italy, Korea, and Spain.

Product overview

Yale University Physics Department is an academic research and educational institution, not a commercial product company. The department offers physics education (undergraduate and graduate programs), conducts fundamental scientific research across multiple areas including quantum physics, particle physics, nuclear physics, and astrophysics, and provides seminar series, public lectures, and outreach programs. The department operates research facilities including Wright Lab, Yale Quantum Institute, Sloane Physics Laboratory, Sterling Chemistry Lab, Yale Science Building, and Kline Tower.

Differentiator

Problem solved

Functional benefit

Products and services

  • Undergraduate Physics Program (B.S.)

Quantifiable outcome

  • Major NSF award ($15 million) for quantum technology innovation through QuantumCT partnership
  • +3 more outcomes

Companies that use Yale University Physics Department

Customer profile

Segments4 records

Ideal customer profiles4 records

Yale University Physics Department technology and API

Technology

Technology focussed Yes

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Feature6 records

Yale University Physics Department partnerships and signals

Strategic signal

Partnerships

Ten partnerships are on record, tiered core.

  • QuantumCTcoreStrategic or Co-development Partner · 14 July 2025QuantumCT is a public-private quantum research initiative led by UConn and Yale University, receiving a two-year $15 million NSF award to advance American quantum innovation. Yale contributes world-leading research expertise to pursue translational research benefiting industry, generating technology ventures, and training the region's workforce in high-growth quantum fields.
  • University of Connecticut (UConn)coreStrategic or Co-development PartnerLead partner in the QuantumCT public-private quantum research initiative alongside Yale, jointly receiving NSF funding for quantum technology advancement.
  • COSINE-100 CollaborationcoreStrategic or Co-development PartnerInternational dark matter detection collaboration operating detectors in Korea (Y2L underground laboratory), with Yale researchers led by Professor Reina Maruyama participating in combined searches with ANAIS-112.
  • ANAIS-112 CollaborationcoreStrategic or Co-development PartnerInternational dark matter search experiment located at the Canfranc Underground Laboratory (LSC) in Zaragoza, Spain, collaborating with Yale's COSINE-100 team on model-independent DAMA signal tests.
  • CUORE/CUPID CollaborationcoreStrategic or Co-development PartnerCryogenic Underground Observatory for Rare Events and its upgrade CUPID, searching for neutrinoless double beta decay at Gran Sasso National Laboratory in Italy.
  • IceCube Neutrino Observatory CollaborationcoreStrategic or Co-development PartnerInternational neutrino detection collaboration at the South Pole, with Yale contributing to neutrino physics research.
  • ATLAS CollaborationcoreStrategic or Co-development PartnerParticle physics experiment at CERN's Large Hadron Collider, with Yale researchers contributing to high-energy physics research.
  • HAYSTAC CollaborationcoreStrategic or Co-development PartnerHaloscope At Yale Sensitive To Axion CDM - Yale-led microwave cavity axion dark matter experiment, featured in Nature 2021 for quantum-enhanced dark matter search.
  • Wright LaboratorycoreOthersYale's major interdisciplinary research facility for particle physics, nuclear physics, astrophysics, and related technologies, jointly operated by the Physics and Applied Physics departments.
  • Yale Quantum InstitutecoreOthersYale's quantum science and technology research hub bringing together researchers from Physics, Engineering, and other departments to advance quantum information science.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Yale University Physics Department competitors and assessment

Company assessment

Direct peers

  • Caltech Division of Physics, Mathematics and Astronomy: Private research university physics division with comparable scale and concentration of Nobel-recognized faculty; runs overlapping experimental programs in particle physics and quantum science.
  • Harvard Department of Physics: Peer Ivy League physics department with overlapping experimental and theoretical programs in particle physics, atomic/molecular/optical physics, and quantum science; competes for the same faculty, students, and grants.
  • MIT Department of Physics: Top-tier private research university physics department conducting comparable frontier research across condensed matter, particle physics, astrophysics, and quantum information science. Closest peer in scale, mission, and research breadth.
  • UC Berkeley Department of Physics: Public research university physics department of comparable scale and research breadth; major peer in particle physics, condensed matter, and quantum information; competes for federal awards and graduate students.
  • University of Chicago Department of Physics: Private research university physics department with comparable mission, with notable overlap in particle physics, astrophysics, and theoretical physics.
  • Cornell Department of Physics: Private Ivy-equivalent research university physics department with strong programs in condensed matter, particle physics, and astrophysics, and ties to CHESS and LHC experiments.
  • Princeton Department of Physics: Private research university physics department with strong programs in theoretical and experimental physics including condensed matter, particle physics, and astrophysics, comparable in mission and prestige.
  • Stanford Physics Department / SLAC: Private research university physics department closely tied to SLAC National Accelerator Laboratory, with deep involvement in particle physics, astrophysics, and quantum information; competes for the same federal funding pools.
  • Columbia Department of Physics: Ivy League peer with overlapping research in particle physics, astrophysics, and condensed matter; competes for Northeast graduate student and faculty talent.

Emerging players

  • University of Cambridge Cavendish Laboratory: Leading international physics department with comparable research programs in condensed matter, particle physics, and quantum science; relevant as a global peer for international collaborations such as those Yale participates in.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Yale University Physics Department social profiles

Digital presence

Yale University Physics Department financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Yale University Physics Department leadership team

Management profile

Number of profiles

Profiles14 records

Yale University Physics Department subsidiaries and ownership

Company hierarchy

Subsidiaries6 records

Yale University Physics Department funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Yale University Physics Department M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yale University Physics Department

What does Yale University Physics Department do?

The Yale University Physics Department is an academic research and teaching unit within Yale University that delivers undergraduate and graduate physics education (B.S., M.S., Ph.D.) and conducts fundamental scientific research across condensed matter physics, particle physics, nuclear physics, quantum physics, and astrophysics. It operates research facilities including Wright Laboratory, the Yale Quantum Institute, Sloane Physics Laboratory, the Yale Science Building, and Kline Tower, and contributes to major international experiments at CERN, the South Pole, and underground laboratories in Italy, Korea, and Spain.

Is Yale University Physics Department a public or private company?

Yale University Physics Department is a private company. It is classified as nonprofit foundation owned and is currently operating.

When was Yale University Physics Department founded?

Yale University Physics Department was founded in 1701. It employs 1 to 10 people.

Where is Yale University Physics Department based?

Yale University Physics Department is headquartered in New Haven, United States, in the North America region.

Who are Yale University Physics Department's main competitors?

Direct peers on record are Caltech Division of Physics, Mathematics and Astronomy, Harvard Department of Physics, MIT Department of Physics, UC Berkeley Department of Physics, University of Chicago Department of Physics, Cornell Department of Physics, Princeton Department of Physics, Stanford Physics Department / SLAC and Columbia Department of Physics. University of Cambridge Cavendish Laboratory is listed as an emerging player.

Does Yale University Physics Department have an API?

No public API is recorded for Yale University Physics Department.

What industry is Yale University Physics Department in?

Yale University Physics Department's product category is Higher Education and Academic Research. Its primary akta.pro industry code is EDAHABAB, STEM-Focused Research Universities (Engineering & Applied Sciences), with a secondary code of EDAMABAH, Physics Enrichment Programs. Its NAICS code is 541715 and its SIC code is 8731.

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Live signals
Mirage NewsAstronomers Witness Cosmic Recycling System In ActionAn international team of astronomers, including researchers from Northwestern University and Yale University, captured unprecedented images of the Helix Nebula revealing how stellar debris is stripped and mixed into interstellar space. The study, published in Nature, utilized early-stage observations from the MOTHRA telescope system to trace this cosmic recycling process, which supplies raw materials for future star and planet formation. This discovery provides a preview of the Sun's eventual fate as it sheds its outer layers back into the Milky Way.Mirage NewsNew Study May Change How We Think About GLP-1sYale University researchers have published a study identifying an unexpected mechanism of action for GLP-1 therapies like Ozempic, challenging a long-held assumption about how these drugs interact with the brain's hunger circuitry. The research found that contrary to previous understanding, agouti-related peptide (AgRP) neurons—which were thought to solely oppose weight loss—are instead recruited by GLP-1 therapies to help sustain fat loss. The findings, published in the journal Cell, may reshape scientific understanding of how these widely-used obesity medications work.LA NACIONEl misterio de las Cataratas de Sangre: hallan una antigua comunidad marina atrapada bajo un glaciar antárticoA study published in Nature Geoscience found molecular evidence of ancient marine microorganisms in the Blood Falls formation in Antarctica's McMurdo Dry Valleys, suggesting the subglacial brine originated from ocean incursions during warmer periods. Researchers from Yale University, the Scripps Institution of Oceanography, and the J. Craig Venter Institute analyzed 167 samples and found that 9.34% of eukaryotic microorganisms in the Blood Falls area shared affinity with ocean samples, compared to just 1.15% in other dry valley sites. The findings indicate these marine communities remained isolated under the Taylor Glacier for thousands of years, preserved beneath ice that advanced as sea levels dropped.CnnDNA analysis may have solved Medici murder mysteryA study led by Yale University and the University of Pisa identified genetic traces of malaria parasites in the skeletal remains of Grand Duke Francesco I de’ Medici, providing strong evidence that he died from the disease rather than arsenic poisoning. The research detected two species of Plasmodium in Francesco's remains and one in his brother Giovanni's, confirming malaria as the cause of death despite lingering suspicions of foul play. While some experts argue the findings do not definitively rule out concurrent poisoning, the DNA analysis offers a more conclusive answer than previous paleo-immunological studies.