Misc: What is the Zodiac?

Questions

Condition existing at the free surface of a liquid, resembling the properties of an elastic skin under tension?

Condition in which body temperature falls drastically as a result of exposure to cold?

Connecticut was granted it's royal charter in what year?

Connecting the Japanese islands of Honshu & Hokkaido, the ________ is the world's longest rail tunnel.?

Contagious febrile disease of animals and, rarely, humans?