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Center Junction
Purple martin populations are maintained, in part, through human-designed nests.
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Ames
The head costumer for a stage production must take several criteria into account to ensure all costumes are ready for showtime.
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Ames
Engineering a solution for “snow” to fall during a ballet performance requires thoughtful consideration and planning.
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Ames
Dancers apply several physical science concepts as they perform.
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Ames
A fly system is the primary mechanism which allows theater technicians to hang and quickly move curtains, background scenery, lights and more.
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Indianola
Effective application of anhydrous ammonia requires a variety of environmental factors be met.
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Appanoose County
Chronic Wasting Disease is a contagious neurological disease resulting in severe weight loss, behavioral changes, and ultimately death in affected animals.
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Knoxville
The chemical composition found in the karst landscape can lead to the formation of sinkholes.
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Altoona
Roller coaster engineers apply several physics principles to create a safe and thrilling experience.
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Fayette County
Diversity of appearance within a cattle herd can be influenced by genetics and the environment.
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Shenandoah
Molecular sieve beads play an important role in ethanol distillation.
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Baldwin
Eden Valley Refuge features exposed limestone outcrops. Limestone is a sedimentary rock and is formed by an accumulation of skeletal fragments of marine organisms.
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Princeton
Reed canary grass grows natively in Europe and Asia, but it is taking over in some Iowa locations.
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Oxford
Data shows the changes in dissolved oxygen levels from various test locations over the summer months.
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Charles City
Macroinvertebrates can help limnologists assess water quality when looking at the biodiversity of a stream
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Ida Grove
Distinct differences in road surfaces across Iowa are connected to geologic processes over time and location.
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Cherokee
Owls tend to only interact together in a coupling and are territorial in order to protect their hunting grounds and their young.
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Buena Vista County
Parents teach their offspring a number of skills for survival, including hiding from predators.
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Montgomery County
Many trees in Montgomery County were left damaged after an EF-3 tornado in May 2024.
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Bedford
The northern lights have been frequently visible further south of the poles.
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Sioux County
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.
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Clinton
Areas along the shores of the Mississippi River are experiencing a complete loss of trees which causes a decline in ecosystem biodiversity.
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Des Moines
Land use in Iowa has changed significantly over the last hundreds of years.
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Council Bluffs
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.
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Waverly
Humans are able to safely eat some plants but not others.
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Sumner
Retention ponds are artificial structures designed to retain and treat contaminated stormwater runoff.
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Tipton
The Eastern Iowa tornado of March 2023 demolished a century farm. The rebuilding process included balancing several constraints.
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Sioux Center
A derecho is a widespread, long-lived wind storm that is associated with a band of rapidly moving showers or thunderstorms.
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Waterloo
Two photos, taken at the same moment but in different parts of the world, show different views of the sky.
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Orange City
Animals, including dogs, change their bodies and lifestyles with the seasons and other situations in order to survive.
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Davenport
Weather forecasting helps people prepare their homes and businesses, and remain safe during natural disasters.
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Waterloo
After an apple is split open and exposed to oxygen, the flesh slowly turns brown.
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Carroll
Foxglove has a tightly connected ecological relationship with bumblebees.
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Prairie City
The musk thistle is an invasive species must be controlled to prevent its spread.
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