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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.

Nine different owl species call Iowa home and are found in different regions of the state, each with a unique look and habitat.

Many types of plants grow in the water of the oxbows in Chichaqua Bottoms Greenbelt.

Common sounds may be different in an environment when there is snow cover as compared to when there is not.

Bighead carp is a new species in the Missouri River and is causing a lot of concern. 

Some flowers and grasses are popular among Iowa pollinators.

Iowa is home to a variety of lichen species.

The spittlebug creates a foam that it hides in while it feeds on the sap of a plant.

Squirrels use unique body features to help them jump and balance.

Lichens are a partnership between a fungus and an alga. There are two primary ways lichens reproduce: sexually and asexually

Oxbows are U-shaped river bends and can be seen at Chichaqua Bottoms Greenbelt.

Mayflies are insects that have a unique lifecycle.

A variety of reflections are seen along the relatively still waters of Chichaqua.

Iowa communities and farmers are adopting conservation practices that lead to cleaner water by keeping agricultural run-off from entering water supplies.

Coal was once a major industry of Iowa. The last mine was closed in 1971.  Current efforts are being made to save the land once home to these mines in southern Iowa.