Team Crayfish snares national competition

HELPING NATURE—At top, from left, are Team Crayfish members Pasha Heydari, Benjamin Rassibi and Cheng Ning. At right, Benjamin uses a specially adapted recycled plastic bottle to trap invasive crayfish and remove them from Medea Creek. The boys won a national award for their work.A group of students from Medea Creek Middle School in Oak Park was named the grand prize winner last week of the Our Echo- Challenge, a new STEM competition that asked U.S. middle school students to take a closer look a...

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