Segments From This Episode

• A day to wear black

  by Michelle Philippe

  Marketplace Datebook for Wednesday, February 26, 2014

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• Thomas Jennings perfected dry cleaning as he pushed for abolition

  by Dan Bobkoff

  Thomas Jennings was the first African American to receive a U.S. patent, 44 years before slavery ended.

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• Paying doctors for value instead of volume

  by Dan Gorenstein

  All the changes to the nation's health care system have led to some broader discussions, including changing the way doctors and hospitals get paid.

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• Natural gas bills are up and not just because of cold

  by David Weinberg

  Customers in the Northeast and Midwest are about to get big natural-gas bills, not only because they used a lot of gas during the freezing month of January.

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• Trying to go off the grid. Completely.

  by Kai Ryssdal

  In "Dragnet Nation", author Julia Angwin tries to avoid all forms of surveillance

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• Connecticut’s ‘health exchange-in-a-box’ for struggling states

  by Sarah Gardner

  Connecticut is acting like an entrepreneur. It got its health exchange up and running effectively, and now it’s trying to sell its model to other states.

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• China’s take on Twitter, Sina Weibo, plans Wall Street IPO

  by Rob Schmitz

  Chinese Internet company Sina Corporation plans to raise $500 million for its initial public offering. But analysts say Sina’s timing could be way off.

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• Cow burps: The environmental hazard.

  by Kai Ryssdal

  Belching cattle are a larger source of methane gas emissions than natural gas drilling.

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