Workplace Safety
It happened again.

A dozen kids sat on the floor in a Texas church school recently, watching a teacher show them a "fun" science experiment. The teacher took some boric acid, put it in a beaker, then poured in methanol from a jug. A swirling rainbow-like flame jumped up in the canister. The kids wanted to see it again. So the teacher poured in more methanol. This time, the flame soared, splashed out of the canister and burned eleven kids. In the rush to run away, the kids trampled another. Six wound up in the hospital. It's not the first time so-called "rainbow" experiments have gone awry.

Read more at the Hill.