Show Improving on Nature One by one ODe nature Is being being- made to surrender her secrets to toman marl man by the steady progress of science Not only is her most sacredly guarded s secret secret- bo now how earth was p-as ns made of o- what Its rocks and minerals are nrc compos composed 4 now being solved but actual rocks and minerals are being reproduced by artificial means menns reproduced in a much purer form torm than they were ere originally made by nature The place at which these wonderful experiments are belag be be- IDI lag ing conducted Is the tte Carnegie geophysical geophysical geo gee physical laboratory a part of the Carnegie Carnegie Carnegie Car Car- negie Institute of Washington it |