Explore

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Carroll
A privately owned flower garden contains black-eyed Susan flowers, which the owner never planted.
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Sioux Center
When the weather turns cold, the grass visibly changes and turns brown. When leaves lose their color they shrivel up and decompose.
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Cedar Falls
The Daryl Smith Prairie includes many diverse plants including natural plants native to Iowa.
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Sioux City
It is often very windy in Iowa, and those winds typically cause it to feel much cooler than the air temperature would suggest.
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Sioux Center
In the morning, you may find a layer of ice on your car window.
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Sioux City
The visible colors of sunsets are the result of many different natural and human-made factors.
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Sioux County
In the winter some types of birds still around but others are not.
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Sioux Center
Weathering and erosion impact natural and human-made objects alike.
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Northeast
The Driftless Area is a region in northeastern Iowa as well as other parts of the Midwest where the last continental glaciers passed by, leaving this area driftless.
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Waverly
A low-head dam in Waverly, Iowa, helps to divert water.
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Waverly
All chickens have similar physical characteristics, but they do not look the same.
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Manchester
The Manchester trout hatchery produces more than 600,000 fish for waters across Iowa and is one of the few fish hatcheries in the state.
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Cresco
Bridges are built to travel over bodies of water during flash flooding.
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Wright County
During winter in Iowa, male whitetail deer shed their antlers.
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Decorah
Iowa is home to a variety of waterfalls.
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Dundee
Bittersweet is an invasive plant that has been found in Backbone State Park.
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Cedar Falls
The Cedar Valley experienced a cankerworm population boom throughout the spring and summer of 2021.
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Adair
Algae's involvement in the nitrogen and carbon cycle can cause fish kills, but it could potentially be a solution in preventing it. 

Funding for Iowa Science Phenomena Provided By

Aliant Energy
Corporation for Public Broadcasting
Musco Lighting
Pella
Reserve Endowment and Protection (REAP)