Science: Relaxation

Albert Einstein of Princeton, N. J. sometimes relaxes by playing three-dimensional chess which requires a system of eight boards. Members of the American Astronomical Society, convened in Princeton last week, relaxed from their more abstruse preoccupations with a set of 14 "true-or-false" questions cooked up by a colleague. Scoring was on the basis of plus one for a correct answer, minus two for a wrong one. Highest score: 8. Sample questions:

The high jump record on the moon, if athletes could perform there with the same energy and efficiency as on the earth, would exceed 36 ft.*

If...

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