The 13 sites identified as potentially having a pattern of serious violations include four coal mines in Kentucky, three in West Virginia and two in Tennessee. Illinois, Alabama, Montana and Nevada have one such location apiece, according to the agency.

Or for space agencies on a very tight budget, there may be an even cheaper option. Researchers at MIT, for example, using a small centrifuge effectively a spinning table or chair. The idea is to fly something similar on the ISS, with astronauts strapping themselves to the device and spinning themselves round and round to simulate gravity. Although the setup has a habit of giving people motion sickness (particularly when they move their head), the experiments suggest that regular sessions on the wheel can offset some of the deleterious effects of weightlessness.

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"The city was just plain wrong,Michael Kors Outlet," says Groden, who believes his persecution and prosecution was led by the city in concert with the Sixth Floor Museum at Dealey Plaza. "As we get closer and closer to November 22,Michael Kors, it's becoming more and more obvious the city and the Sixth Floor Museum are trying to censor what we're trying to say - that there was an alternative. We're saying,Michael Kors Outlet, 'Think,Michael Kors Outlet, look at the evidence.' And the Sixth Floor doesn't want you to see the evidence."

Decherd's most lasting municipal legacy is likely to be his efforts on behalf of downtown, especially downtown parks.