Episode Two – Where Does Water Come From?
In this episode of H2whOa!, hosts Dr. Elizabeth Dougherty and Dr. Ted Hullar get to the bottom of where water comes from with material physicist and Stanford Research Scientist Dr. Arianna Gleason and Native American psychologist and healer Dr. Lewis Mehl-Madrone
Retrieved from: Earth Sky
Guests
Dr. Gleason is a Staff Scientist in the Fundamental Physics Directorate of the SLAC National Accelerator Laboratory and an Adjunct Professor in Stanford’s Geological Science Department. She got her PhD from the University of California, Berkeley, where she worked on high pressure mineral physics and planetary sciences. Her current studies involve the application of ultrafast x-ray probes to study dynamic materials processes related to geoscience, planetary science, and fusion-energy research. She has also received a US Department of Energy Early Career Award.
Artist: Dr. Lewis Mehl-Medrona
Dr. Mehl-Medrona is certified in family medicine, psychiatry, and geriatrics. He graduated from Stanford University School of Medicine, and completed his residencies at the University of Vermont College of Medicine. His work primarily focuses on the intersection of healing practices from Lakota, Cherokee, and Cree traditions with conventional medicine. He is the author of Coyote Medicine, Coyote Healing, and Coyote Wisdom, a trilogy that discusses how Native culture can be implemented into the modern world. The goal of his work is to educate others about the healing wisdom of indigenous peoples and how it can benefit mainstream medicine. He currently teaches with the family medicine residency at Eastern Maine Medical Center in Bangor, providing inpatient medicine, outpatient precepting, and obstetrics. He also serves on the Board of Directors for the Coyote Institute for Studies of Change and Transformation.
Where does the water on planet Earth come from? And…how did it get here? Theories are continually evolving and changing. What are the latest conjectures?
Helpful Definitions
Isotope: each of 2 or more forms of the same element that contain equal number of protons but different numbers of neutrons in their nuclei
Isotopic signatures: a ratio of non-radiogenic stable isotopes, stable radiogenic isotopes, or unstable radioactive isotopes of particular elements in an investigated material
Carbon 14: radiocarbon; a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons
Deuterium: heavy hydrogen; one of the two stable isotopes of hydrogen
Oort Cloud: theoretical, spherical cloud of predominantly icy planetesimals believed to surround the sun at a distance of up to 2 lightyears, placing it in interstellar space
Ice 1h: hexagonal crystal form of ordinary ice
Diné: a Native American people of the Southwestern US, second largest federally recognized tribe in the US; also referred to as “Navajo”- a term not used or liked by the Diné people; the name Diné means “the people”
