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Largest prime number: Still just a slice of pi
Kai Ryssdal Feb 6, 2013
A discovery of a lifetime (at least for the math geeks among us): the largest prime number in the world.
Ditched on the curb, old Christmas trees have a future
Eve Troeh Jan 3, 2013
There are all sorts of ways to recycle Christmas trees: Mulch. Sand dune retainers. Even crappie fishermen get in on it.
A new glowing plastic that could change the lighting industry
David Brancaccio Dec 4, 2012
A new kind of light bulb has been invented that will ship from U.S. factories and may bring more efficient--and controllable--lighting to the industry.
Plastic's fantastic for thieves in California
Sarah Gardner Nov 26, 2012
Thieves steal millions of dollars of plastic pallets and milk cases from businesses. Sold to recyclers, the plastic is then used to make new pallets and milk cases.
YouTube to pull back funding, and skin healing plastic
David Brancaccio Nov 13, 2012
YouTube may slash funding to over half of its new channels and a plastic that repairs itself like skin heals itself, but faster.
The problem with statistical models and forecasting
Kai Ryssdal Sep 27, 2012
Author Nate Silver discusses why he believes that numbers are part of the challenge in painting a clear picture of the American economy.
The battle over billing codes
Gregory Warner Oct 8, 2012
Every little thing your doctor does has a special code attached, with a dollar sign. Codes were supposed to make things simpler. Instead, they've touched off an expensive arms race between doctors, hospitals and insurers.
Mid-day Extra: Going brown to go green
Adriene Hill Jan 25, 2012
Why would consumers want to reach for brown napkins over white if they are both made of recycled paper?
Saving hotel soaps to end waste
Eve Troeh Jan 10, 2012
Thanks to the organization Global Soap Project, recycled hotel soap is the latest frontier in corporate efforts to go green.
