Capillary action to the rescue!

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Back in high school AP Biology class, we dunked stalks of celery in water colored with red dye and left them overnight. The next day, the capillary networks of the celery were outlined clearly in red dye, as it displaced the water that had previously been present.

So don't throw out flaccid celery stalks! Just chop off the ends and dunk them in a glass of water. By the next day, they'll be revived and crunchy once again. They were just thirsty.

Works great on fresh basil and cilantro, too.

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