Despite the variety of their physiological function and differences in physical properties--silk is a flexible fiber, horn a tough rigid solid, and the enzyme pepsin water soluble crystals--proteins are sufficiently similar in molecular structure to warrant treating them as a single chemical family.
Disney's 'Tower of Terror' Closing to Make Way for New 'Guardians of the Galaxy' Ride. Looks like another Disney attraction is joining its sizable graveyard of defunct rides.
Space Mountain at Disney World shut down after woman found unconcious on coaster. Update: 4/24/11 â Orlando Sentinel reports that the woman is still in intensive care at the hospital but is showing signs of recovery. She was on the ride with her two children and was visiting from Cromwell, England.