The study of fungi is called mycology.
Today's Question:
Which radioactive substance is used in smoke detectors, and what type of radiation does it emit?
(Sources: American Mensa, email transmission, October 26, 2011; http://www.mycology.adelaide.edu.au/; http://withfriendship.com; http://science.howstuffworks.com/nuclear1.htm)
Compiled by Otto Ladensack and Patricia Ladensack
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