Mistake-Maker Minis

Mistakes can be tragic, useful, or anything in between. These mini riddle poems by editor Tabatha Yeatts contain famous mistakes...can you name them?

Fleming's neglected dish
turns a moldy blue-green --
bacteria killer!

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I always run late...
maybe I should fix my watch
for important dates

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Keys left back on shore,
binoculars stay locked up --
iceberg spotted too late.

These are cross-posted on The Opposite of Indifference (and the answers are in the comments there).