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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
Patients with Mental Illness Less Likely to Receive Diet, Exercise Advice
CHAMPAIGN, Ill. -- More than half of patients with symptoms of mental illness - and nearly one-third of those who also had diabetes - said their health care providers had never told them to exercise or reduce their intake of dietary fat, according to a new study published in Diabetes Educator. The American Diabetes Association recommends that health care providers counsel all patients with diabetes or at high risk of diabetes about physical activity and healthy dietary choices.

nature
Long-term Nitrogen Fertilizer Use Disrupts Plant-microbe Mutualisms
CHAMPAIGN, Ill. -- When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes - the plants they normally serve, researchers report in a new study.

economics
Education 'Experts' May Lack Expertise, Study Finds
CHAMPAIGN, Ill. -- The people most often cited as "education experts" in blogs and news stories may have the backing of influential organizations - but have little background in education and education policy, a new study suggests.

biology
Discovery: Tropical Fire Ants Traveled the World on 16th Century Ships
CHAMPAIGN, Ill. -- Thanks to a bit of genetic sleuthing, researchers now know the invasion history of the tropical fire ant (Solenopsis geminata), the first ant species known to travel the globe by sea.

space
Earth's Surprise Inside: Geologists Unlock Mysteries of the Planet's Inner Core
CHAMPAIGN, Ill. -- Seismic waves are helping scientists to plumb the world's deepest mystery: the planet's inner core. Thanks to a novel application of earthquake-reading technology, a research team at the University of Illinois and colleagues at Nanjing University in China have found that the Earth's inner core has an inner core of its own, which has surprising properties that could reveal information about our planet.

medicine
Illinois Trailing Other States in Girls Studying Science, Math
CHAMPAIGN, Ill. -- A new study found Illinois educators and lawmakers have homework to do to figure out why fewer girls at the state's high schools study subjects associated with careers in the science, technology, engineering and mathematics fields than their peers in other states.

biology
There Have Been a Lot of Cats in the New York Times, And Not All Just for Fun
CHAMPAIGN, Ill. -- The cute cat video seems to be everywhere online, and it's become a handy epithet for everything that journalism should not be. So what should we make of the fact that The New York Times, that paragon of journalism, has written a lot about cats over 140 years? That's the question posed by University of Illinois journalism professor Matthew Ehrlich after compiling hundreds of cat-related tales from the Times' digital archive.

biology
Friend, Foe Or Queen? Study Highlights the Complexities of Ant Perception
CHAMPAIGN, Ill. -- Researchers report that trap-jaw ants recognize the unique odor of a fertile queen only if the queen also shares the workers' own chemical cologne - a distinctive blend of dozens of smelly, waxy compounds that coat the ants' bodies from head to tarsus. The discovery offers new insights into how social animals evolved and communicate with others in their group, the researchers say.

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