Science: Treasure Hunt

Top-secret uranium was once an innocent element, mined chiefly for the cancer-treating radium associated with it. Before the atom bomb, no nation bothered to be secretive about its uranium resources. Even the U.S.S.R. described in detail the deposits found within its boundaries.

In last week's Science Magazine, Dr. D. B. Shimkin of Harvard's Russian Research Center reported on a uranium-prospecting trip he has made through Russian geological literature. Pay dirt, he said, has been found all the way from the Ukraine to far eastern Siberia.

As long ago as 1900, according to Shimkin, the Russians...

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