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maple trees

Sara Bird / Michigan Tech

Earthworms seem pretty harmless. But they’re causing problems for Michigan’s multi-million dollar sugar maple industry.

That’s the finding of a study by Tara Bal, a research assistant professor of forest resources and environmental science at Michigan Technological University.

Flickr user chiotsrun / http://j.mp/1SPGCl0

It's sugaring season in Michigan. Did a mild winter and recent burst of warm weather give maple syrup producers anything to worry about?

FLICKR USER JOHN GREMMER / FLICKR

Both the Men’s Final Four in Indianapolis and the Women’s Final Four in Tampa will fight it out with their shoes skidding across a floor made of Michigan maple.

The company responsible for making these floors is Connor Sports, a business located in the small Upper Peninsula town of Amasa, in Iron County.

The business has been around since 1872, a time before basketball was invented.