← All researchers

John Adam

Dominion University College

418 publications · 6,218 citations · ORCID 0000-0001-5537-2889

Geological and Geochemical AnalysisBiomedical and Engineering EducationHigh-pressure geophysics and materialsMathematical Biology Tumor Growthearthquake and tectonic studies

We prepare their research opportunity report and reach out personally to introduce you — their contact details stay private.

Know them?Invite to claim·

Reach out

Their published papers and profiles list institutional contact details.

This profile was built automatically from public publication records and has not yet been claimed by the researcher.

Research opportunities

Study designs adjacent to this body of work — each grounded in the published record and scoped so a trainee could run it.

Claim your researcher profile

This profile was built from your public publication record — claim it to manage it.

How does the consumption of plant-based proteins, specifically those high in anti-nutritional factors like phytates and trypsin inhibitors, affect mineral bioavailability and growth outcomes in children relying on these proteins as primary staples?

Why this gap exists: While the retrieved papers confirm that anti-nutritional factors like phytates and trypsin inhibitors reduce mineral bioavailability [0, 2], they focus on general adult health or crop improvement [1, 6] and do not provide direct evidence on the specific growth outcomes in children relying on these proteins as primary staples.

How do specific policy interventions aimed at improving female education and labor force participation accelerate the 'maternal mortality transition' in regions currently experiencing high maternal mortality?

Why this gap exists: While the retrieved literature establishes links between female education, political power, and health outcomes (e.g., [3], [6], [9]), no study directly addresses how specific labor or education policy interventions accelerate the 'maternal mortality transition' in high-mortality regions, leaving the mechanism and impact of such specific policies unresolved.

What is the comparative effectiveness of telemedicine versus traditional in-person care in maintaining essential antenatal coverage and reducing maternal mortality in low-income and middle-income countries during future health system shocks?

Why this gap exists: While abstracts [4], [7], [8], and [9] discuss digital tools and maternity care in low- and middle-income countries, none provide a direct comparative effectiveness analysis of telemedicine versus in-person care regarding maternal mortality during health system shocks, leaving the specific question unresolved.

Sources

  1. COVID-19 and resilience of healthcare systems in ten countriesNature Medicine, 2022
  2. Community Health Workers Can Provide Psychosocial Support to the People During COVID-19 and Beyond in Low- and Middle- Income CountriesFrontiers in Public Health, 2021
  3. Social Impacts and Responses Related to COVID-19 in Low- and Middle-income CountriesOpenDocs (Institute of Development Studies), 2020
  4. Seizing the moment to rethink health systemsThe Lancet Global Health, 2021
  5. Use of mHealth in promoting maternal and child health in “BIMARU” states of India “A health system strengthening strategy”: Systematic literature reviewPLOS Digital Health, 2024
  6. Investments for effective functionality of health systems towards Universal Health Coverage in Africa: A scoping reviewPLOS Global Public Health, 2022
  7. Infant and young child feedingOECD eBooks, 2023
  8. Facilitators and barriers to the implementation of a Mobile Health Wallet for pregnancy-related health care: A qualitative study of stakeholders’ perceptions in MadagascarPLoS ONE, 2020
  9. The impact of digital interventions on health insurance coverage for reproductive, maternal, newborn and child health services utilization in Kakamega, Kenya: a cluster randomized controlled trialHealth Policy and Planning, 2024
  10. Seeking digital maternity healthcare during the pandemic health system shock: a systematic review of women's experiences in low- and middle-income countriesFrontiers in Reproductive Health, 2026

Publications

Liberty on a pedestal

The Physics Teacher · 2026 · corresponding author

Liberty on a pedestal: Solutions for Fermi Questions, March 2026

The Physics Teacher · 2026 · corresponding author

Nature's Mathematical Tapestry

WORLD SCIENTIFIC eBooks · 2026 · corresponding author

Cold war: The rise of the snowman army

The Physics Teacher · 2026 · corresponding author

UFOs, Flatland, and dimensional interface phenomena

The Physics Teacher · 2026 · corresponding author

Experimental constraints on shallow differentiation of high-Mg andesite at Whakaari, New Zealand

Contributions to Mineralogy and Petrology · 2025 · 3 citations

A bridge too low

The Physics Teacher · 2025 · corresponding author · 1 citations

Starting from scratch(es)

The Physics Teacher · 2025 · corresponding author

Starting from scratch(es): Solutions for Fermi Questions, October 2025

The Physics Teacher · 2025 · corresponding author

Glints and glitter: Solutions for Fermi Questions, November 2025

The Physics Teacher · 2025 · corresponding author

Glints and glitter

The Physics Teacher · 2025 · corresponding author

Meandering about

The Physics Teacher · 2025 · corresponding author

Meandering about: Solutions for Fermi Questions, December 2025

The Physics Teacher · 2025 · corresponding author

Move over, Tatooine: Solutions for Fermi Questions, January 2026

The Physics Teacher · 2025 · corresponding author

Move over, Tatooine

The Physics Teacher · 2025 · corresponding author

Lock n’ love

The Physics Teacher · 2025 · corresponding author

Lock n’ love: Solutions for Fermi Questions, April 2025

The Physics Teacher · 2025 · corresponding author

A bridge too low: Solutions for Fermi Questions, May 2025

The Physics Teacher · 2025 · corresponding author

Suntan (and other solar trigonometric functions)

The Physics Teacher · 2025 · corresponding author

A question of transparency

The Physics Teacher · 2025 · corresponding author

A question of transparency: Solutions for Fermi Questions, March 2025

The Physics Teacher · 2025 · corresponding author

Can’t see the light for the trees

The Physics Teacher · 2025 · corresponding author

Earthquakes and seismic waves

The Physics Teacher · 2024 · corresponding author · 2 citations

Earthquakes and seismic waves: Solutions for Fermi Questions, March 2024

The Physics Teacher · 2024 · corresponding author · 2 citations

Shadow hands

The Physics Teacher · 2024 · corresponding author · 1 citations

Shadow hands: Solutions for Fermi Questions, September 2024

The Physics Teacher · 2024 · corresponding author

From T to Y: Solutions for Fermi Questions, December 2024

The Physics Teacher · 2024 · corresponding author

From T to Y

The Physics Teacher · 2024 · corresponding author

Sky smiley face: Solutions for Fermi Questions, November 2024

The Physics Teacher · 2024 · corresponding author

Sky smiley face

The Physics Teacher · 2024 · corresponding author

Pigeon strike!

The Physics Teacher · 2024 · corresponding author

Golden spirals everywhere?: Solutions for Fermi Questions, January 2025

The Physics Teacher · 2024 · corresponding author

Golden spirals everywhere?

The Physics Teacher · 2024 · corresponding author

Pigeon strike!: Solutions for Fermi Questions, October 2024

The Physics Teacher · 2024 · corresponding author

Refracting UFOs

The Physics Teacher · 2024 · corresponding author

Refracting UFOs: Solutions for Fermi Questions, May 2024

The Physics Teacher · 2024 · corresponding author

Cats, dogs, and roll waves

The Physics Teacher · 2024 · corresponding author

Cats, dogs, and roll waves: Solutions for Fermi Questions, April 2024

The Physics Teacher · 2024 · corresponding author

Snow spheres and ice cubes

The Physics Teacher · 2024 · corresponding author

Snow spheres and ice cubes: Solutions for Fermi Questions, February 2024

The Physics Teacher · 2024 · corresponding author

The weighty words of Lord Rayleigh

The Physics Teacher · 2024 · corresponding author

Ellipses, leaves, and solar crescents: Solutions for Fermi Questions, November 2023

The Physics Teacher · 2023 · corresponding author · 1 citations

Of mice,* humans, and flies: Solutions for Fermi Questions, April 2023

The Physics Teacher · 2023 · corresponding author

Of mice,* humans, and flies

The Physics Teacher · 2023 · corresponding author

Exploding Haystacks: Solutions for Fermi Questions, March 2023

The Physics Teacher · 2023 · corresponding author

Exploding haystacks

The Physics Teacher · 2023 · corresponding author

Oscillating iceberg: Solutions for Fermi Questions, February 2023

The Physics Teacher · 2023 · corresponding author

Oscillating icebergs

The Physics Teacher · 2023 · corresponding author

Another angle on perspective: Solutions for Fermi Questions, May 2023

The Physics Teacher · 2023 · corresponding author

Ellipses, leaves, and solar crescents

The Physics Teacher · 2023 · corresponding author

Dental Floss, Calculus, and Jail

The Physics Teacher · 2023 · corresponding author

Not your typical Tower of Sauron

The Physics Teacher · 2023 · corresponding author

Another angle on perspective

The Physics Teacher · 2023 · corresponding author

“Density” of light and pi

The Physics Teacher · 2023 · corresponding author

“Density” of light and pi: Solutions for Fermi Questions, December 2023

The Physics Teacher · 2023 · corresponding author

Letter to the Editor

Michigan Historical Review · 2022 · corresponding author

Rock paintings: Solutions for Fermi Questions, September 2022

The Physics Teacher · 2022 · corresponding author

Cloud Ripple Pattern

The Physics Teacher · 2022 · corresponding author

Cloud Ripple Pattern: Solutions for Fermi Questions, October 2022

The Physics Teacher · 2022 · corresponding author

Horizontal air mass: Solutions for Fermi Questions, November 2022

The Physics Teacher · 2022 · corresponding author

Horizontal air mass

The Physics Teacher · 2022 · corresponding author

Drop in the bucket?

The Physics Teacher · 2022 · corresponding author

A drop in the bucket?: Solutions for Fermi Questions, December 2022

The Physics Teacher · 2022 · corresponding author

Shrub sphericity

The Physics Teacher · 2022 · corresponding author

Shrub sphericity: Solutions for Fermi Questions, January 2023

The Physics Teacher · 2022 · corresponding author

Technology’s Challenge to Regulators

Zicklin School of Business Financial Markets series · 2022

Rock paintings

The Physics Teacher · 2022 · corresponding author

What's Your Sphericity Index? Rationalizing Surface Area and Volume

ODU Digital Commons (Old Dominion University) · 2020 · corresponding author · 1 citations

Diffusion Models of Prevascular and Vascular Tumor Growth

2020 · corresponding author · 1 citations

Linear Difference Equations: Integrated- Environmentalist Approach For Teaching Mathematics

ODU Digital Commons (Old Dominion University) · 2019 · corresponding author

The asymptotic solution of the ion-damped acoustic-gravity wave equation

Zeitschrift für angewandte Mathematik und Physik · 2019 · corresponding author

Dimensional Analysis: Physical Insight Gained Through Algebra

ODU Digital Commons (Old Dominion University) · 2018 · corresponding author · 1 citations

Shape Resonances of the Transverse Magnetic Mode in a Spherically Stratified Medium

International Journal of Applied Physics and Mathematics · 2018

The Beauty of Numbers in Nature: Mathematical Patterns and Principles from the Natural World [Book Review]

ODU Digital Commons (Old Dominion University) · 2018 · corresponding author

Rays, Waves, and Scattering

Princeton University Press eBooks · 2017 · corresponding author · 3 citations

Rays, Waves, and Scattering

Princeton University Press eBooks · 2017 · corresponding author · 3 citations

Rays, Waves, and Scattering Topics in Classical Mathematical Physics

ODU Digital Commons (Old Dominion University) · 2017 · corresponding author · 2 citations

Mountain shadows revisited

Applied Optics · 2017 · corresponding author · 1 citations

Ocean Acoustics

Princeton University Press eBooks · 2017 · corresponding author · 1 citations

Chapter 14. Atmospheric Waves

Princeton University Press eBooks · 2017 · corresponding author · 1 citations

Introduction

Princeton University Press eBooks · 2017 · corresponding author

Chapter 7. Introduction to the WKB(J) Approximation: All Things Airy

Princeton University Press eBooks · 2017 · corresponding author

Chapter 17. Scattering of Surface Gravity Waves by Islands, Reefs, and Barriers

Princeton University Press eBooks · 2017 · corresponding author

Chapter 18. Acoustic Scattering

Princeton University Press eBooks · 2017 · corresponding author

Elastic Waves

Princeton University Press eBooks · 2017 · corresponding author

Morphology-Dependent Resonances: The Effective Potential

Princeton University Press eBooks · 2017 · corresponding author

Diffraction of Plane Electromagnetic Waves by a Cylinder

Princeton University Press eBooks · 2017 · corresponding author

Rays, Waves, and Scattering

Princeton University Press eBooks · 2017 · corresponding author

One-Dimensional Jost Solutions: The S-Matrix Revisited

Princeton University Press eBooks · 2017 · corresponding author

Surface Gravity Waves

Princeton University Press eBooks · 2017 · corresponding author

Diffraction Catastrophes

Princeton University Press eBooks · 2017 · corresponding author

The Classical-to-Semiclassical Connection

Princeton University Press eBooks · 2017 · corresponding author

Introduction to the Mathematics of Rays

Princeton University Press eBooks · 2017 · corresponding author

Back Where We Started

Princeton University Press eBooks · 2017 · corresponding author

Island Rays

Princeton University Press eBooks · 2017 · corresponding author

The S-Matrix and Its Analysis

Princeton University Press eBooks · 2017 · corresponding author

An Improvement over Ray Optics: Airy’s Rainbow

Princeton University Press eBooks · 2017 · corresponding author

Acoustic Scattering

Princeton University Press eBooks · 2017 · corresponding author

Tsunamis

Princeton University Press eBooks · 2017 · corresponding author

Gravitational Scattering

Princeton University Press eBooks · 2017 · corresponding author

Introduction to the “Physics” of Rays

Princeton University Press eBooks · 2017 · corresponding author

Atmospheric Waves

Princeton University Press eBooks · 2017 · corresponding author

Electromagnetic Scattering: The Mie Solution

Princeton University Press eBooks · 2017 · corresponding author

Seismic Rays

Princeton University Press eBooks · 2017 · corresponding author

Scattering of Surface Gravity Waves by Islands, Reefs, and Barriers

Princeton University Press eBooks · 2017 · corresponding author

Ray Optics: The Classical Rainbow

Princeton University Press eBooks · 2017 · corresponding author

Chapter 5. An Improvement over Ray Optics: Airy’s Rainbow

Princeton University Press eBooks · 2017 · corresponding author

Chapter 15. The Classical Connection

Princeton University Press eBooks · 2017 · corresponding author

Chapter 3. Introduction to the Mathematics of Rays

Princeton University Press eBooks · 2017 · corresponding author

Chapter 26. One-Dimensional Jost Solutions: The S-Matrix Revisited

Princeton University Press eBooks · 2017 · corresponding author

Chapter 10. Elastic Waves

Princeton University Press eBooks · 2017 · corresponding author

Chapter 9. Seismic Rays

Princeton University Press eBooks · 2017 · corresponding author

Chapter 11. Surface Gravity Waves

Princeton University Press eBooks · 2017 · corresponding author

Chapter 22. The WKB(J) Approximation Revisited

Princeton University Press eBooks · 2017 · corresponding author

Chapter 6. Diffraction Catastrophes

Princeton University Press eBooks · 2017 · corresponding author

Chapter 4. Ray Optics: The Classical Rainbow

Princeton University Press eBooks · 2017 · corresponding author

Chapter 24. The S-Matrix and Its Analysis

Princeton University Press eBooks · 2017 · corresponding author

Chapter 2. Introduction to the “Physics” of Rays

Princeton University Press eBooks · 2017 · corresponding author

Chapter 16. Gravitational Scattering

Princeton University Press eBooks · 2017 · corresponding author

Chapter 27. Morphology-Dependent Resonances: The Effective Potential

Princeton University Press eBooks · 2017 · corresponding author

Chapter 20. Diffraction of Plane Electromagnetic Waves by a Cylinder

Princeton University Press eBooks · 2017 · corresponding author

Chapter 8. Island Rays

Princeton University Press eBooks · 2017 · corresponding author

Chapter 12. Ocean Acoustics

Princeton University Press eBooks · 2017 · corresponding author

An Example of Nature's Mathematics: The Rainbow

ODU Digital Commons (Old Dominion University) · 2017 · corresponding author

The genesis of silicic arc magmas in shallow crustal cold zones

Lithos · 2016 · corresponding author · 29 citations

Scattering of Plane Electromagnetic Waves by Radially Inhomogeneous Spheres: Asymptotics and Special Functions

Springer proceedings in mathematics & statistics · 2016 · corresponding author

Scattering of a plane electromagnetic wave by a generalized Luneburg sphere–Part 1: Ray scattering

Journal of Quantitative Spectroscopy and Radiative Transfer · 2015 · 10 citations

The capacity of hydrous fluids to transport and fractionate incompatible elements and metals within the Earth's mantle

Geochemistry Geophysics Geosystems · 2014 · corresponding author · 60 citations

“Rainbows” in Homogeneous and Radially Inhomogeneous Spheres: Connections with Ray, Wave, and Potential Scattering Theory

Springer proceedings in mathematics & statistics · 2013 · corresponding author · 5 citations

X and the City

Princeton University Press eBooks · 2012 · corresponding author · 4 citations

<i>A Wealth of Numbers: An Anthology of 500 years of Popular Mathematics Writing.</i>

American Journal of Physics · 2012 · corresponding author

Blood Vessel Branching: Beyond the Standard Calculus Problem

Mathematics Magazine · 2011 · corresponding author · 28 citations

Zero-order bows in radially inhomogeneous spheres: direct and inverse problems

Applied Optics · 2011 · corresponding author · 6 citations

<i>Street-Fighting Mathematics: The Art of Educated Guessing and Opportunistic Problem Solving</i>

American Journal of Physics · 2010 · corresponding author · 2 citations

A Mathematical Nature Walk

Princeton University Press eBooks · 2009 · corresponding author · 21 citations

Guesstimation

Princeton University Press eBooks · 2008 · 68 citations

A two-population insurgency in Colombia: Quasi-predator-prey models–A trend towards simplicity

Mathematical and Computer Modelling · 2008 · corresponding author · 4 citations

Geometric optics and rainbows: generalization of a result by Huygens

Applied Optics · 2008 · corresponding author · 4 citations

Frontmatter

Princeton University Press eBooks · 2008

A Finite Element Model for Epidermal Wound Healing

Lecture notes in computer science · 2007 · 13 citations

Modeling of Self Healing of Skin Tissue

Springer series in materials science · 2007 · 12 citations

New calculations on water storage in the upper mantle, and implications for mantle melting models

Geochimica et Cosmochimica Acta · 2006 · corresponding author · 4 citations

Combined experimental and geochemical evidence for the origins of Tasmanian intraplate basalts

Geochimica et Cosmochimica Acta · 2006 · corresponding author · 2 citations