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What is its method of preparation (isolation)? I've written that cinnabar is heated in a current of air and the vapor is condensed, because that's all I've really been able to find. Is mercury actually the only metal that is liquid at ordinary room temperatures or are there others? I've seen...

I'm trying to plan a hiking trip to go on with my children in the summer or spring (they're 17 and 18). We're a pretty athletic family, but we've never been hiking. Does anyone know of any good places for beginners to go hiking near northern Indiana? We're also really into mountain biking...