The impact of touch-screen technology on spatial cognitive skills as related to molecular geometries was assessed through 102 one-on-one interviews with undergraduate students. Participants were provided with either printed 2D ball-and-stick images of molecules or manipulable projections of 3D molecular structures on an iPad. Following a brief…

Praises, defends, and attempts to explain the unique characteristics of the lecture teaching method as practiced by Soviet educators. Firmly committed to the lecture method, Soviet educators refined this technique to the level of dazzling verbal performances complete with syllogisms, elaborately constructed arguments, and a touch of theater. (MJP)