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UMass researcher points to suppression of evidence on radiation effects by 1946 Nobel Laureate
Date:9/20/2011

trenched. The two successfully suppressed last-minute evidence from the fruit fly experiment conducted in Stern's lab by postdoctoral researcher Ernst Caspari, and the rest is history, Calabrese says. It marked the "transformation of a threshold-guided risk assessment to one now centered on a linear dose-response."

"To me this all raises the question, what happens when a scientific field lies to the public, to federal agencies and the president? It's a very scary situation that the radiation genetics community in the 1950s assumed that something was correct without requiring the necessary documentation to support it," the UMass Amherst toxicologist says.

Stern's group published a paper in 1947 not long after Muller's Nobel Prize acceptance speech in which they tried to discredit their own study, further evidence of a deliberate cover-up, Calabrese says. "It's been hidden in the bowels of the Atomic Energy Commission for decades until I found it. They revised it to remove the one sentence suggesting this experiment might provide evidence for the threshold model."

"One could argue that Muller single-handedly undermined above-ground atomic testing, which is a good thing," Calabrese says. "But after uncovering this lie, I'm starting to contemplate what society would have looked like if the regulatory community had felt free to use a threshold model. Members of that 1956 NAS BEAR committee didn't see the domino effect of their actions on our society. Muller's impact on the world of today is almost incalculable. He couldn't have imagined it. But we shouldn't have to live with it."


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Contact: Janet Lathrop
jlathrop@admin.umass.edu
413-545-0444
University of Massachusetts at Amherst
Source:Eurekalert

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