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Bird Louse Study Shows How Evolution Sometimes Repeats Itself

Published: August 16, 2012.
Released by University of Illinois at Urbana-Champaign  


CHAMPAIGN, Ill. — Birds of a feather flock together and – according to a new analysis – so do their lice.


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More news from University of Illinois at Urbana-Champaign


medicine
Study Confirms Long-term Effects of 'Chemobrain' in Mice
CHAMPAIGN, Ill. -- Women undergoing chemotherapy for breast cancer have long complained of lingering cognitive impairments after treatment. These effects are referred to as "chemobrain," a feeling of mental fogginess. A new study from the University of Illinois reports long-lasting cognitive impairments in mice when they are administered a chemotherapy regimen used to treat breast cancer in humans. The results are published in the journal Behavioural Brain Research.

psychology
For Sensation-seekers, the Color Red Can Elicit Rebelliousness, Study Finds
CHAMPAIGN, Ill. -- As anyone who has driven a car or crossed a busy street knows, colors play a significant role in influencing people's interactions with the world around them. And the color red, in particular, elicits the highest level of compliance for conformity with social norms.

economics
Skills Gap for US Manufacturing Workers Mostly a Myth, Paper Says
CHAMPAIGN, Ill. -- For years, employers, pundits and policymakers alike have bemoaned the lack of qualified workers available to fill vacant manufacturing jobs in the U.S. Despite the prominence of the skills-gap debate, a new paper co-written by a University of Illinois expert in labor economics and workforce policy finds that the demand for higher-level skills in U.S. manufacturing jobs is generally modest.

medicine
Report: People Buy Most of Their Junk Food at the Supermarket
CHAMPAIGN, Ill. -- An analysis of a nationally representative sample of U.S. adults reveals that access to healthy foods in a supermarket does not hinder Americans' consumption of empty calories. In fact, the study found, U.S. adults buy the bulk of their sugar-sweetened beverages and nutrient-poor discretionary foods at supermarkets and grocery stores.

biology
Fresh Look at Burials, Mass Graves, Tells a New Story of Cahokia
CHAMPAIGN, Ill. -- A new study challenges earlier interpretations of an important burial mound at Cahokia, a pre-Columbian city in Illinois near present-day St. Louis. The study reveals that a central feature of the mound, a plot known as the "beaded burial," is not a monument to male power, as was previously thought, but includes both males and females of high status.

technology
Paper: Strategic Trade-offs in Automobile Design Affect Market-share Value
CHAMPAIGN, Ill. -- A new study of the interplay between function, form and ergonomics reveals an important strategic design trade-off for automotive manufacturers: Investments in both function and ergonomics result in higher market share, whereas investments in both function and form impose a share penalty.

chemistry
Iron Catalysts Can Modify Amino Acids, Peptides to Create New Drug Candidates
CHAMPAIGN, Ill.-- For medicinal chemists, making tweaks to peptide structures is key to developing new drug candidates. Now, researchers have demonstrated that two iron-containing small-molecule catalysts can help turn certain types of amino acids -- the building blocks of peptides and proteins -- into an array of potential new forms, even when part of a larger peptide, while preserving a crucial aspect of their chemistry: chirality, or "handedness."

psychology
Regardless of Age, Health Conditions, Many Seniors Not Retired from Sex
CHAMPAIGN, Ill. -- Despite societal perceptions that older adults' love lives are ancient history, many seniors are anything but retired from sex, a new study suggests.

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