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nuclear bomb


lingers from bomb tests

New source

of radioactivity from Fukushima

our radioactive ocean
tracing a path to groundwater


the path of groundwater

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Center for Marine and Environmental Radioactivity

The Center for Marine and Environmental Radioactivity (CMER) is dedicated to increasing scientific and public understanding of the sources, fate, and consequences of natural and human-made radioactive substances in the environment, in particular the oceans.

For researcher

For Researchers

Information for radioecologists and radiochemists, including online resources, data, up-to-date information, and opportunities for collaboration.
» Methods Cookbook

For students

For Students

Resources for graduate, undergraduate, and high school students interested in pursuing a career in radioecology and radiochemistry.
» WHOI Postdoctoral Scholars

radiation 101

Radiation 101

We live in a radioactive world that includes both natural and human sources of radiation. Get the  facts about radioactivity and human health.
» Fukushima FAQs