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Many of the trees surrounding the oxbows at Chichaqua Bottoms Greenbelt seem to be curving up and away from the water, while the tree trunks on land tend to be more straight.

The mussel is a keystone species in the Mississippi River, providing critical benefits to the river ecosystem. 

The deep roots of prairie plants take the carbon out of the air and add nutrients to the soil when they die.

A West Des Moines Public Services staff member explains their anti-ice spray and mixing system.

The Devonian Fossil Gorge was revealed during the devastating floods of 1993 when the emergency spillway at the Coralville Dam topped over.

Farmers Electric Cooperative is using solar panels to help capture solar energy and distribute it to the members of the cooperative. 

A pony truss bridge is different from other truss bridges because it allows traffic to go through it, but is not connected by braces over the top.

A time lapse of four freshwater mussels in a 2.5-gallon tank of cloudy river water for a one-hour period shows cloudy water changing to almost completely clear water.

This program in Eastern Iowa supports extending solar power use in the area.

When keeping Iowa roads safe during the winter, there are several aspects to consider including cost of equipment, removing snow and ice without damaging roads, and safety of personnel.

In Iowa, plastic snow fences are often strategically placed in yards and alongside roads to improve road quality in the winter.

Purple loosestrife is an invasive species in Iowa that grows rapidly and impacts wetlands

Soybeans go through stages of growth using water and sunlight.