I WAS a little surprised to notice from a paragraph in Prof. McLeod's letter in NATURE, vol. xxiv. p. 28, that he had been unable to repeat Dr. Carnelley's experiment with mercuric chloride.

PITTSBURGH (KDKA) -- For this experiment, we are going to boil water. It doesn't sound exciting, but we are not going to make water boil the way you traditionally do, by heating it up. We are going to ...