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Bird Louse Study Shows How Evolution Sometimes Repeats Itself

Published: August 16, 2012.
By University of Illinois at Urbana-Champaign
http://www.uiuc.edu

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


psychology
Not All Baseball Stars Treated Equally in TV Steroid Coverage, Says Study of Network News
CHAMPAIGN, Ill. -- Retired baseball stars Barry Bonds, Mark McGwire and Rafael Palmeiro each had Hall of Fame-worthy numbers, each hitting more than 500 home runs. All three also were tarred by allegations of steroid use.
medicine
Longer Work Hours for Moms Mean Less Sleep, Higher BMIs for Preschoolers
CHAMPAIGN, Ill. -- The majority of preschoolers may not be getting the amount of sleep they need each night, placing them at higher risk of being overweight or obese within a year, according to a new study.
psychology
Study: Teens Who Mature Early at Greater Risk of Depression
CHAMPAIGN, Ill. -- Youth who enter puberty ahead of their peers are at heightened risk of depression, although the disease develops differently in girls than in boys, a new study suggests. Early maturation triggers an array of psychological, social-behavioral and interpersonal difficulties that predict elevated levels of depression in boys and girls several years later, according to research by led by psychology professor Karen D. Rudolph at the University of Illinois.
psychology
Social Sensing Game Detects Classroom Bullies
A social sensing game created at Illinois allows researchers to study natural interactions between children, collect large amounts of data about those interactions and test theories about youth aggression and victimization. The game's behavior analyses effectively identify classroom bullies, even revealing peer aggression that goes undetected by traditional research methods, the researchers say.
biology
Some Plants Regenerate by Duplicating Their DNA
CHAMPAIGN, Ill. -- When munched by grazing animals (or mauled by scientists in the lab), some herbaceous plants overcompensate - producing more plant matter and becoming more fertile than they otherwise would. Scientists say they now know how these plants accomplish this feat of regeneration. They report their findings in the journal Molecular Ecology.
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★★★★ 

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