Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Radiation: Applications

Radiation: Applications

The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...

Biological Effects of Radiation

Biological Effects of Radiation

All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...

Absorption of Radiation

Absorption of Radiation

The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Does Radioactivity From Nuclear Power Plants Raise the Risk of Cancer? Harvard School of Public Health: Yes. Biology: No.

Dose-response : a publication of International Hormesis Society·2026

Same author

Dual Primary Gastric and Rectal Adenocarcinoma: A Case Report with Management Insights : Dual Primary Gastric and Rectal Adenocarcinoma.

Galen medical journal·2026

Same author

Society, Nuclear Energy and Radiological Protection - Beyond LNT.

Dose-response : a publication of International Hormesis Society·2026

Same author

Preventive effects of dexamethasone oral solution on radiation-induced mucositis in patients with head and neck cancer: a randomized, triple-blind, parallel-group trial.

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer·2026

Same author

Radiofrequency radiation from mobile phones and the risk of breast cancer: A multicenter case-control study with an additional suspected comparison group.

Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences·2026

Same author

Evolutionary Pressures Behind the Translocation Of Hematopoiesis to the Bone Marrow Cavity in Terrestrial Vertebrates.

Health physics·2026

Same journal

Assessment of Health Risks of Adults and Children Due to Consumption of Uranium in Groundwater from Chengalpattu District, Tamil Nadu, India.

Health physics·2026

Same journal

Radiation Protection Abstracts, Volume 46, Number 1.

Health physics·2026

Same journal

Specialized Radiological Assets for Navigable Two-dimensional and Three-dimensional Virtual and Augmented Reality.

Health physics·2026

Same journal

DoseBusters: A Fully Immersive Virtual Reality Game for Radiation Protection and Detection.

Health physics·2026

Same journal

Radioactivity in Bottled Drinking Water from Greater Dhaka City and Concomitant Ingestion Doses to Consumers.

Health physics·2026

Same journal

Assessment of Radiation Dose and Protection Practices in Neonatal Radiography in NICUs.

Health physics·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Oct 1, 2025

A Novel Technique for Raman Analysis of Highly Radioactive Samples Using Any Standard Micro-Raman Spectrometer

A Novel Technique for Raman Analysis of Highly Radioactive Samples Using Any Standard Micro-Raman Spectrometer

Published on: April 12, 2017

Ramsar, Iran, as a Natural Radiobiological Surrogate for Mars.

James S Welsh¹, Joseph J Bevelacqua, S M J Mortazavi

¹Department of Radiation Oncology, Loyola University Chicago Stritch School of Medicine and Edward Hines Jr. VA Medical Center, 5000 S 5th Ave., Hines, IL.

|March 4, 2022

Summary

This summary is machine-generated.

Studying humans exposed to natural high-linear energy transfer (LET) radiation in Ramsar, Iran, offers a more relevant model for space mission radiobiological hazards than animal experiments. This research can inform astronaut health and safety.

More Related Videos

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor

Published on: May 7, 2021

Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities

Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities

Published on: February 20, 2021

Related Experiment Videos

Last Updated: Oct 1, 2025

A Novel Technique for Raman Analysis of Highly Radioactive Samples Using Any Standard Micro-Raman Spectrometer

A Novel Technique for Raman Analysis of Highly Radioactive Samples Using Any Standard Micro-Raman Spectrometer

Published on: April 12, 2017

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor

Published on: May 7, 2021

Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities

Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities

Published on: February 20, 2021

Area of Science:

Radiobiology
Space Medicine
Radiation Health

Background:

Acute low-linear energy transfer (LET) radiation experiments on lab animals inadequately predict space mission risks.
Space missions involve chronic exposure to high-LET radiation, a hazard not well replicated in terrestrial studies.
Naturally occurring high-LET radiation environments on Earth, like Ramsar, Iran, offer unique research opportunities.

Purpose of the Study:

To evaluate the potential of studying human populations chronically exposed to high-LET radiation as a predictive model for space mission radiobiology.
To explore the relevance of Ramsar residents' health data for understanding space radiation effects on astronauts.

Main Methods:

Reviewing existing literature on terrestrial high-background radiation areas.
Analyzing the applicability of Ramsar's long-term, high-LET radiation exposure to space mission scenarios.
Comparing the limitations of animal models with the potential insights from human epidemiological studies.

Main Results:

Terrestrial animal studies with acute low-LET radiation are insufficient for predicting space mission radiobiological hazards.
Chronic exposure to natural high-LET radiation in regions like Ramsar provides a more relevant analogue for space radiation environments.
Examining the health of Ramsar residents could yield valuable data for space mission planning.

Conclusions:

Human populations exposed to natural high-LET radiation offer a more informative model for space radiobiology than traditional animal experiments.
Investigating Ramsar residents' health outcomes is crucial for enhancing astronaut safety and mitigating radiation risks during space missions.
This research highlights the need to incorporate real-world human radiation exposure data into space mission risk assessments.