OCR Text |
Show SCIENCE SKETCHES i r -i 'ii I'" A HANDFUL of aspirin-size catalysts cata-lysts weighing under an ounce would have a total surface area equal to that of an entire football field. Pores so small that a million of them would barely cover the period at the end of a sentence give catalysts the fantastic surface sur-face area that helps speed up chemical reactions, says Girdler Catalysts, Louisville. STRESSES AND WORRIES of modern life apparently cause ulcers ul-cers in pigs as well as in man, rt ports the University of Wisconsin. Casein, the milk protein that helot soothe human ulcers, seems t have no such effect on pig ulctrs. Oats, however, are soothing to pig ulcers. |