Sally Helm
Stories
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Business
The 'Planet Money' team examines where ZIP Codes came from
The humble ZIP Code shows up in all kinds of surprising places. Planet Money looks at how it was born, how it transformed the mail and talks to one researcher who argues that it's gone too far.
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Economy
Why do hospitals keep running out of generic drugs?
Drug shortages have been a problem for years. We look at the economics that affect the availability of the common cheap drugs in which hospitals rely.
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Business
A graphite processing plant in Alabama could help the U.S. rely less on China
Processed graphite is crucial for making batteries, and a single player dominates the industry: China. Now, one company wants to start processing graphite in Alabama. New tariffs could help.