HOW DO SUNSPOTS AFFECT MANS LIFE ON EARTH?
Did you know that the best vintage wines are from crops that grow in those years when sunspots are at a maximum? And that trees show their greatest growth in periods when the surface of the sun shows the greatest numbers of spots? Or that the Dow-Jones stock market averages follow a curve which is very similar to curves based on sunspot numbers? These are only a few of the many remarkable, but unexplained, coincidences between the activities of plant and animal life on Earth and the appearance of those gigantic electromagnetic disturbances on the sun which man calls sunspots. More and more scientists, and others, are probing sunspots and seeking to learn the relationship between their appearance and the multitudinous activities of Earth-bound man. In his newest book “Sunspots and Their Effects from the Human Point of View,” (McGraw Hill) Dr. Harlan True Stetson, astronomer and research associate of the Massachusetts Institute of Technology, summarizes the knowledge which science now ha