As Abilene and other research networks designed to substantially enhance research capabilities join the Internet, network managers are concerned about unforeseen problems with the untested systems and their complex connections. (MSE)

In response to a decision at Worcester State College (Massachusetts) that remedial mathematics and other mathematics courses should be taught in a non-lecture format--learning by doing rather than by watching--a math computer lab was created. Three courses each have a 1-hour lecture per week, with students responsible for all additional learning…