&#62; What about exothermic reactions using iron or aluminum filings?<p>Well now, we wouldn't want our precious little snowflakes to blow their fingers off. But we'll sign them up for cheerleading and football, where they can break their knees, heads and spines.<p>So we are basically banking on them all being professional athletes and dancers. But then, of course, we wonder how come we are so behind all the other countries in science and math.