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Polk County
At Lake Red Rock's Mile-Long Bridge, indicators alert drivers that weather conditions could make driving hazardous.
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Dysart
A fallen oak log is slowly being decomposed by saprophytic turkey tail mushrooms.
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Davenport
Data for Iowa's bald eagle population and for the Mississippi River at Lock and Dam 15 indicate population trends since 1994.
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La Porte City
Woodpeckers damaged an ash tree while searching for overwintering emerald ash borers.
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Oelwein
Rime ice and hoar frost are two processes that occur during freezing temperatures.
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Rowley
Bearbower Sand Prairie, a windblown sand prairie in east central Iowa, is home to many unique plant and animal species.
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Northeast
Lake Superior agates can be found in and around the Volga and Turkey rivers.
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New Hartford
After the flood of 2008 many towns in Iowa decided to try different flood mitigation efforts.
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Northeast
During the early Paleozoic, much of Iowa was covered by a shallow sea.
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Dike
Every spring in Iowa many farmers either have to pick up rocks from their fields or pay for it to be done.
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Fayette County
Many people believe Iowa's landscape is nothing more than flat plains. However, the landscape in northeast Iowa is very different than the rest of the state.
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Muscatine
A completed livestock shade barn is a structure with only three walls.
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Des Moines
A series of graphs illustrate how the amount of daylight changes at different times of the year.
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Buchanan County
Tilled and no-till crop fields can impact the movement of snow across the landscape in different ways.
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Runnells
There are common misconceptions about recycling and diverting items from the landfill.
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Davenport
The presence of lichen and lichen diversity can be an indicator of air quality.
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Runnells
A katydid in Central Iowa demonstrates a unique function of its anatomy.
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Mahaska County
Three sets of woolly mammoth bones were found in Mahaska County in 2010.
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Runnells
Restoration is a land stewardship practice of returning land to its original, undisturbed features.
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Muscatine
An FFA student describes the desired or preferred physical attributes of a show steer.
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Hamburg
In 2019, flooding hit Hamburg, Iowa, leaving many wondering about the impacts and likelihood of future flooding.
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Chariton
Pink blossoms cover the Red Haw State Park redbud trees.
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Des Moines
Protein levels in Midwestern soybeans have been decreasing over time.
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Spencer
Prairie Flower Farm, a northwest Iowa farm, grows native plants instead of corn or soybeans.
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Madison County
In 2019, a debate occurred regarding the building of wind farms in Madison County, Iowa.
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Fairfield
Polled (hornless) herefords originated as a mutation.
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