In a millisecond, on July 16, 1945, the evolution of the human species took a remarkable turn. Until the explosion of the world’s first nuclear weapon, the human body coexisted, if uneasily, with natural sources of radioactivity from the sky, rocks, and other unavoidable sources. Now, with x-rays and nuclear medicine a part of our daily lives, the issue has become just how much radioactivity our bodies can safely absorb. This program explores the question, and whether there is really such a thing as a healthy dose. (28 minutes)

Tell a Friend! Your Name: Your Email: Your Friend's Email: Your Message: We respect your privacy and will not use your friend's address without permission. Item#: BVL7915 Copyright date: ©1997 DVD ISBN 978-1-4213-8269-2

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