Abstract: A folding push bar mechanism for use with a casement window includes a folding push bar having a first linkage and a second linkage operatively coupled to the first linkage to pivot with respect thereto, and a push bar immobilizer. The push bar immobilizer is mounted on the frame of the casement window and selectively engages the push bar to prevent movement of the sash of the casement window with respect to the window frame. The push bar immobilizer preferably includes a pair of spaced apart, parallel, upper and lower plates between which the push bar passes, and a thumb screw which is threadingly received by the upper parallel plate and which selectively engages the push bar to prevent movement of the window sash with respect to the window frame.

Abstract: A method is provided for inhibiting rotavirus infection of human cells by treating the rotavirus with a carrageenan. The most effective agent in inhibiting cellular rotavirus infection is lambda-carrageenan, which may be formulated in a liquid and ingested enterally. A composition containing lambda-carrageenan is an aspect of the invention.

Abstract: An apparatus and method for assisting persons in making decisions, using a computer programmed with artificial intelligence techniques. Real world objects and events pertaining to a particular domain are represented in a knowledge base. Best choices for solving problems are made according to the application of rules, which may be applied absolutely, comparatively, by weight, or ordered, according to methods selected by the user. The invention also permits the user to select from among various decision making strategies and permits the user to observe the effects of choices in hypothetical scenarios.