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Sunday, March 1 2020

  • Book tackles questions parents have about media violence

    Making sense of all the research and debate over media’s risks and benefits can be time-consuming and overwhelming for many parents trying to decide what’s best for their child. That’s why a team of Iowa State University researchers decided to write a book to present the research in a way that helps parents make informed decisions. 

  • It’s a crime, but for meth cooks it’s also a job

    The motivation to start cooking meth is often driven by addiction, but a new study takes a closer look at the reasons cooks engage in this criminal behavior and come to see it as a job. Iowa State University researchers say the work offers insight into the world of meth production, which can help with the development of prevention and rehabilitation efforts.

  • Chemists use mass spectrometry tools to determine age of fingerprints

    Chemists at Iowa State may have solved a puzzle of forensic science: How do you determine the age of a fingerprint? The chemists used mass spectrometry tools to analyze fingerprints and found clues in the fatty oils within the prints. More study is needed, but they believe they're on the path to developing a fingerprint-aging technique that could potentially tie a suspect to a crime scene.

  • Power of photojournalism seen in early 20th century exposé on Chicago meat industry

    A 1905 story not only prompted massive reforms in U.S. food and public health policy and inspired Upton Sinclair’s widely popular novel “The Jungle.” It was also one of the first examples of the power of photojournalism, as uncovered in a recent Iowa State University study.

  • Initiative takes advantage of existing data to solve community problems

    Solutions to some of the problems Iowa communities are facing may be found in the data towns and cities already collect, but lack the resources to access and analyze. Iowa State University researchers are lending their expertise to help communities tap into that information. 

  • Pursuing Ph.D., Ecuadorian immigrant works to improve lives of immigrants through policy

    Twenty years after leaving Ecuador during its economic crisis, Maria B. Alcívar-Zúñiga learned she had received a prestigious national award recognizing her leadership, academic accomplishments and community work empowering Latinx youth and families in Iowa. Next stop: finishing her dissertation at Iowa State University.

  • Heat trapped in urban areas tricks trees into thinking spring has arrived earlier

    Satellite data of 85 U.S. cities shows plants begin turning green earlier in the spring in urban areas than in surrounding rural areas. It’s a symptom of the way cities trap heat, a phenomenon known as the “heat-island effect,” according to a recently published study.

  • 77-year-old amateur astronomer helps reveal rare galaxy double nucleus

    Iowa State astronomers have revealed that a well-known, nearby galaxy has a rare double-nucleus structure. Their paper reporting the discovery is now online and has been accepted for publication by the Astrophysical Journal. First author of the paper is Allen Lawrence, a 77 -year-old who went back to school to study astronomy after retiring from a long career as an electrical engineer.