[Gorzaloon]

"One of the deadliest radioactive isotopes is 210Po (Polonium-210). It is a strong alpha emitter with a half-life of 128 days. Polonium metal is also rather volatile, with a melting point of 255 degrees C, making it a particularly deadly component of tobacco smoke (inhaling alpha emitters is not a very good idea).

Fortunately, polonium is found only in minute amounts in Nature. Polonium is so radioactive that a 0.50 gram sample will reach temperatures greater than 500 degrees all by itself. The radiation energy is so great that an amount too small to see would be a lethal dose!"

http://www.ilpi.com/fun/toxic/index.html

AND:

In the survival study, rats injected in intravenously solely with a lethal amount of 210Po (1.45 MBq kg-1 body mass) died within 14-44 days

[Dog]

500 degrees?

[Guenevere]

What does that do to the body...

[melt]

Fascinating, and very scary.