Stuffing

If one person could have heard all the papers read at all the 'sectional meetings of the American Association for the Advancement of Science in Pittsburgh last week and could have inspected the whole proud array of exhibits, he would have departed with his head stuffed with such things as:

P: A new "sun cooker" developed by Secretary Charles Greeley Abbot of the Smithsonian Institution, famed authority on solar radiation. Dr. Abbot's best previous sun cooker, with which he and Mrs. Abbot once cooked all their food for three months, attained temperatures as high as 365DEG F. The new one, which has double vacuum jackets on the oil pipes where the sun's rays are focussed, gets as hot as 400DEG.

P: A centrifuge developed by Professor Jesse Wakefield Beams of the University of Virginia with the turbine operated by compressed air, the rotor turning in a vacuum. Rim speeds of 2,000 ft. per sec. and centrifugal forces 900,000 times gravity have been attained.

P: Caltech's Robert Andrews Millikan's belief that he expects the cosmic ray mystery to be solved within a year, advising laymen and teachers not to accept current findings as true until checked by several observers.

P: Professor William King Gregory of Columbia tracing the evolution of the pelvis from fish to man, beginning with the fact that fish have hip-bones--rudimentary little rods unattached to the backbone but helping to support rear fins. Further improvement of the pelvis enabled amphibians to crawl, later animals to walk on all fours, humans and ortho-grade primates to walk upright. (Once possessors of good hips, whales reversed the process, lost most of the pelvis by taking to the water--see p. 50.)

P: The report of Professor Harry Miles of American University that college students do better brainwork at the end of a day's work than when they are "fresh"' in the morning.

P: The findings of Professor Paul Andrew Witty of Northwestern University: 47 schoolboys among 14,149 and 48 schoolgirls among 13,493 were found to have IQ's of 140 or better.

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