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Show What's New? Prof. Sangemelster, noted German Ger-man scientist, declares that by newly new-ly devised tests the parentage of children mav bo determined by blood analysis. Apes are being used in studying the origin of colds and tuberculosis by research professors of Columbia ' University. Important medical agents have recently been discovered in fluid secreted by toads. A newly developed sugar cane planter will do as much work as 14 men planting by hand. A radio device whereby a garage gar-age door may be opened by pressing press-ing a button in an approaching car has been invented in Switzerland. An appartus for attachment to automobile exhausts to neutralize deadly gas, carbon monoxide, has been invented by scientists at Johns Hopkins University. |