Click on the image to expand to full size. It’s filled with useful info, and delves more into the basics behind the different kinds of radiation and their effects on the human body…

Here’s Geary explaining the design:

The following infographic is the aggregation of numerous sources that are authorities on radiation. It details the threat levels of radiation exposure from events like the Fukushima explosion down to a dental x-ray. We hope that it will dispel the magnitude of everyday threats and help increase awareness around what Japan (and the world) is facing in light of these tragic circumstances.

Anyhow, despite the apparent winding-down of the nuclear crisis in Japan, we need to get our hands on as many good sources of info as possible.