News tagged with hierarchical structures

3-D printing artificial bone

Researchers working to design new materials that are durable, lightweight and environmentally sustainable are increasingly looking to natural composites, such as bone, for inspiration: Bone is strong and ...

dateJun 17, 2013 in Materials Science
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An egalitarian Internet? Not so, study says

(PhysOrg.com) -- The Internet is often thought of as a forum that enables egalitarian communication among people from diverse backgrounds and political persuasions, but a University of Georgia study reveals ...

dateJun 10, 2011 in Social Sciences
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Birds Of A Feather Attack Together

Last summer, physicist Suzanne Amador Kane at Haverford College in Pennsylvania set up an experiment looking at how flocks of small birds on her campus -- swallows -- defend themselves from predators by ganging ...

dateMay 04, 2010 in Plants & Animals
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The power of doctors makes elderly patients passive

Elderly patients are often critical towards the meeting with the doctor. Hierarchical structures, time pressure and traditions in the health care sector make these patients and their relatives passive when facing the doctor ...

dateOct 27, 2009 in Health
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