Optim insulation is a hybrid material that combines the biostability and flexibility of high-performance silicone rubber with the strength, tear resistance and abrasion resistance of polyurethane, to provide increased durability and flexibility.

FORBES: St Jude Withdraws Older LV CRT Leads From Market

Cambridge Biostability, with support from Britain's Department for International Development and the Programme for Appropriate Technology in Health, an American not-for-profit group, is working on a sugar-glass version of a combined shot against five nasty childhood diseases, including diphtheria and meningitis.

ECONOMIST: Vaccines