"Acid rain is a short-hand term that covers a set of highly complex and controversial environmental problems. It is a subject in which emotive and political judgements tend to obscure the underlying scientific issues which are fairly easily stated but poorly understood."

"Nuclear weapons began to exert an important influence on military policy immediately following World War II, although their capabilities, limitations, and political implications were only vaguely unde…"

"In seeking scientific understanding of the processes of information transfer we have had to go considerably outside the subject limits within which 'information science' as an academic subject is norm…"

"Slate's Dave Cullen thought he had solved the why riddle in his article, "The Depressive and the Psychopath: At Last We Know Why the Columbine Killers Did It", published on April 20, 2004, the fifth a…"

"Ethics could teach us only those purposes and ideals. If the teachers seeks insight into the means by which the aim can be reached, into the facts by which the child can be molded, his way must lead f…"