He has also suggested removing fire-alarm boxes from city streets, to stop hoax calls.

ECONOMIST: New York City's finances

One sure-fire hit: toys and computer CDs inside boxes of kids' cereal, like Froot Loops and Rice Krispies.

FORBES: Companies & Strategies

In this week's test, examiners set ablaze five boxes containing about 250 oxygen canisters swathed in bubble wrapper to determine how long it would take the fire to spread.

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