Radiation and Health #37

December 11, 2009

This episode was recorded when Science for the People was called Skeptically Speaking.

Dr. Marc MacKenzie, medical physicist, discusses radiation: why a little can be good, why a lot can be bad, and why radiation is more important than you think. And on Speaking Up, we discuss The James Randi Educational Foundation with Bart G. Farkas.


  • Marc MacKenzie
  • Bart Farkas
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