Jose, 16, began a science experiment for his biology class last Friday. He placed an egg in a mug and filled it with vinegar. It was a pretty neat transformation into a gel-like form.


Wednesday, I noticed the newly transformed egg was wrapped in a napkin in the refrigerator. So, I placed it in the “dairy” compartment in the refrigerator’s door, and replaced it with a regular egg in a napkin.

The next afternoon, after teaching, I noticed another egg in a mug of vinegar. I asked Jose about it and he said he took his egg to school and could not believe that the shell had grown back. The teacher tried to convince him that the could never have returned to its original form.

I sent a note to the teacher to explain…