Quirks & Quarks

Quirks Question: Why did my jello freeze like this?

A food scientist explains.

This week's question involves some weird looking Jello and a backyard experiment. When Marvin Doran from Southampton, Ontario, set his lime Jell-O outside to cool, he returned to find it had a fern-like pattern on it. 

So... why?

Dr. Michael Rogers explains. He's an associate professor in the Department of Food Science, and Canada Research Chair in Food Nanotechnology at the University of Guelph. He says it's got to do with the slow freezing of the Jell-O, and crystallization. Sugar has a role to play, too. 

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