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 ...

Jun 17, 2013
5 / 5 (11) 1 | with audio podcast

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 ...

Jun 10, 2011
3.9 / 5 (8) 5 | with audio podcast

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 ...

May 04, 2010
4.6 / 5 (5) 2 | with audio podcast