timothy from the is-there-anything-xkcd-can't-do? dept.
An anonymous reader points out Randall Munroe's latest contribution to public health awareness, a "chart of how much ionizing radiation a person can absorb from various sources, compared visually. 1 Sievert will make you sick, many more will kill you, however, even small doses cumulatively increase cancer risk." It's a good way to think about the difference between Chernobyl and Fukushima.
The tree of research must from time to time be refreshed with the blood
of bean counters.
-- Alan Kay