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Rusty patched bumble bees were listed as endangered in 2017. This is just one species of bumble bee that has been on the decline.

Areas along the shores of the Mississippi River are experiencing a complete loss of trees which causes a decline in ecosystem biodiversity.

Avian influenza is a virus that affects bird populations, both domestic and wild. Like all viruses, avian influenza changes over time due to mutations that affect proteins.

Using goats to control invasive trees, shrubs and other plants is a unique solution for maintaining remnant prairie.

This time-lapse video captures two monarch caterpillars feeding on a milkweed leaf, and illustrates the caterpillars' role in the ecosystem as they consume plant matter.

After an apple is split open and exposed to oxygen, the flesh slowly turns brown.

Weather forecasting helps people prepare their homes and businesses, and remain safe during natural disasters.

Milk is collected from cows and, after a while, the milk forms two different layers. They look somewhat similar but, when poured out, the layer on top is thicker than the layer below.

Dry run creeks are a strategically placed design solution for flood mitigation.

Fog is visible at the bottom of a hill on a summer evening.

The Eastern Iowa tornado of March 2023 demolished a century farm. The rebuilding process included balancing several constraints.

Retention ponds are artificial structures designed to retain and treat contaminated stormwater runoff.

Exotic bush honeysuckles are invasive, perennial deciduous shrubs which prefer sunny sites such as forest edges, pastures, roadsides, and open woodlands.

"Al dente" means "to the tooth" in Italian and refers to the ideal consistency of pasta when cooked. Besides a more appealing taste, cooking pasta "al dente" provides inherent nutritional value.

Urban runoff is the trash run off that occurs after each major rain or wind storm, and in Iowa results in millions of pounds of trash being washed into Iowa waterways.

A straight stick placed in water can appear to be bent at an angle.

When working with natural gas, a spark can mean danger. Selecting tools made from the right materials can reduce that danger.

The musk thistle is an invasive species must be controlled to prevent its spread.