What is associated with: 8 people in arizona were sealed into this in september 1991 hoping to live inside it for 2 years?

What is associated with: 8 members of this team threw the 1919 world series? What is referred to by '8 mile'? Based on the clue '8 of the 10 lowest birthrates for countries are fo...', what is the answer? Based on the clue '8 ounces of yogurt contain about 8 grams of this a...', what is the answer? Based on the clue '8 presidential eyes gaze down on the national pres...', what is the answer? Based on the clue '8 small windows are located at the 500 foot level ...', what is the answer? Based on the clue '8 states begin with m another 8 with this letter', what is the answer? What is associated with: 8 year old maria de sautuola discovered 15000 year old paintings on the ceiling of one of thes…