Re: Are organically grown tomatoes radioactive?

Yes, of course everything is radioactive. Around where I live, things are more 
radioactive than usual, because the glaciers left a lot of uranium scattered 
through the soil here.

Tomatoes are radioactive because they contain carbon (C-13 is a natural 
radioisotope) and potassium (K-40 ditto). For that matter, you're radioactive
and I'm radioactive.

There's a cute story by Isaac Asimov called "Pate de Foi Gras" about a goose
that lays golden eggs because it is a living nuclear reactor. It has some
mechanism for neutralizing all radiation in its body, which produces gold as
a by-product. The way they figure this out is that the goose gives a *zero* 
radiation reading -- lower than background!

Dan Berger