Word: geochemist
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...superficial, emphasizing minor and easily corrected threats to man's food supply, such as erosion of farmlands. Others have ignored the enormous possibilities of man's scientific techniques. Brown's The Challenge of Man's Future (Viking Press; $3-75) is in a different class. Geochemist Brown of CalTech is thoroughly at home in the tangle of sciences that bear on man's future on earth. He is also at home in history and sociology, and unlike most scientists, he is a good writer. The result is a readable and frightening book...
...good way to find hidden minerals may be to study the plants and trees that grow in the neighborhood. In the current Mining and Metallurgy, Finnish Geochemist Kalervo Rankama tells why vegetation is a prospector's friend...