Ad pages have been falling throughout the magazine publishing industry, and titles have been shut down at a breakneck pace this year, with newspapers not far behind. Some titles seem immune to the problem; or, at the very least, the lesser of many evilly-immense decreases. Scientific American, as a unit of book publishing juggernaut Macmillan, was one of those at only an 18.1% ad page decline in 2009's first quarter. And the title, 164 years old, has weathered many storms in the industry; it's as solid as an oak.Yesterday, news of a reorganization had industry onlookers worried that a few employees would be let go. By the end of the day, media watchers were shocked as Editor-in-Chief John Rennie, who's held that role for 15 years, and at least 20 other employees were laid off.

As the nation's paper publications scramble to find new profit centers in the rapidly-changing advertising market, they could do worse than look to 

