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...thought to be capable of passing through trillions of miles of solid lead, the ghostlike neutrinos have no mass or electrical charge. They are produced during violent atomic collisions at the core of the sun, and thus are believed to be a vital index to the activity and energy output of the glowing mass that supports life on earth. What astronomers and physicists have learned so far from the neutrino detector in South Dakota suggests that the sun's output is much less constant than has been believed, and that variations in its output may explain broad climatic changes...
...there was more cloud cover, and barren zones with little vegetation were more common. If the banked-fires theory is correct, the relatively cooler recent period, including short-term "ice ages," might indicate that the sun's core is now being mixed, and may return to its normal output in about 4,000,000 years. Cameron estimates that such mixing events may be separated by hundreds of millions of years...
...solar mixing does occur, it would also affect other planets of the solar system. In Nature, Carl Sagan of Cornell and Andrew Young of Caltech have suggested that fluctuating solar output could explain such Martian mysteries as the river-bed-like channels recently photographed by the Mariner 9 spacecraft. Martian water, now locked firmly in the frozen poles, presumably would have flowed freely during warmer times. Sagan and Young go further. Suspecting that our sun is not unique in its quirky behavior, they checked other nearby stars. In the cluster Praesepe, they found a number of stars that varied widely...
...incredible power of Macbeth. Even in an age with less belief in witches than obtained in the Jacobean era, perhaps we must ascribe some of the work's power to the very supernatural that this play invokes to a larger extent than does any other in Shakespeare's output...
Administration officials bullishly predict that the food and feed prices will ease off by autumn because of 1) the export controls, and 2) an expected rise in this year's output of soybeans and other feed. Better late than never, the Administration this year freed up more land for planting. Only if the Government continues to expand domestic farm production will the nation be able to beat the high cost of eating-and help meet the needs of an increasingly hungry world...