News tagged with hierarchical structure

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

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