In the mid-1970s, a British radiobiologist, Dr . Ticvah Alper, found that whatever the scrapie agent was, it seemed extraordinarily small and resistant to ultraviolet radiation, which should inactivate nucleic acids, the cell's genetic material.
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:I don't actually know, but it also seems worth considering that the bomb " was " meant to kill people, and so a radiobiologist might also come in handy for trying to figure out how to enhance, direct and control the fallout kill . talk ) 11 : 59, 1 November 2015 ( UTC)
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In 1940, Louis Harold Gray, who had been studying the effect of neutron damage on human tissue, together with William Valentine Mayneord and the radiobiologist John Read, published a paper in which a unit of measure, dubbed the " " gram roentgen " " ( symbol : gr ) defined as " that amount of neutron radiation which produces an increment in energy in unit volume of tissue equal to the increment of energy produced in unit volume of water by one roentgen of radiation " was proposed.
