This site, from the University of Cambridge, describes an experiment to measure the pressure versus strain of a cylindrical balloon as it is inflated to produce an aneurysm. Photographs show how the balloon looks at...

The Materials Education Resource Center has provided this hands on lab activity created by Andrew Nydam and Debbie Goodwin. The activity demonstrates property change due to crosslinking in slime formed from mixing PVA...

This page of Hyperphysics, from Georgia State University, uses elasticity to explain why a baby needs help--like a smack on the bottom--to take its first breath and also why people with emphysema have so much difficulty...