All Things Considered on KTTZ HD2

Hosted by Melissa Block and Robert Siegel

In-depth reporting and transformed the way listeners understand current events and view the world. Every weekday, hear two hours of breaking news mixed with compelling analysis, insightful commentaries, interviews, and special - sometimes quirky - features.

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Planet Money
2:07 pm
Thu October 4, 2012

The Accountant Who Changed The World

Summa de Arithmetica, Geometria, Proportioni et Proportionalita." href="/post/accountant-who-changed-world" class="noexit lightbox">
A page from Pacioli's math encyclopedia, Summa de Arithmetica, Geometria, Proportioni et Proportionalita.
via Jane Gleeson-White

Originally published on Fri October 5, 2012 3:04 pm

The story of the birth of accounting begins with numbers. In the 1400s, much of Europe was still using Roman numerals, and finding it really hard to easily add or subtract. (Try adding MCVI to XCIV.)

But fortunately, Arabic numerals (1, 2, 3, 4, etc.) started catching on, and with those numbers, merchants in Venice developed a revolutionary system we now call "double-entry" bookkeeping. This is how it works:

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Shots - Health Blog
1:28 pm
Thu October 4, 2012

Scientists Create Fertile Eggs From Mouse Stem Cells

Each of these mouse pups was born from an egg scientists created using embryonic stem cells. It's possible the technology could change future treatment for human infertility.
Katsuhiko Hayashi

Originally published on Thu October 4, 2012 7:45 pm

Scientists in Japan report they have created eggs from stem cells in a mammal for the first time. And the researchers went on to breed healthy offspring from the eggs they created.

While the experiments involved mice, the work is being met with excitement — and questions — about doing the same thing for humans someday.

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The Salt
12:25 pm
Thu October 4, 2012

The Cost Of Saving Lives With Local Peanuts In Haiti

Alex E. Proimos flickr

Originally published on Fri October 5, 2012 3:05 pm

How much extra would you pay for local food? It's a familiar question. We face it practically every time we shop for groceries, either at the store or at the farmers market. But what about food that can save the lives of severely malnourished children?

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All Tech Considered
4:40 pm
Wed October 3, 2012

Some Schools Actually Want Students To Play With Their Smartphones In Class

In Durham, N.H., Oyster River Middle School seventh-graders Patrick Beary and Morgan Bernier play with StoryKit, a free app that helps middle-schoolers put together simple presentations, and elementary students make storybooks.
Sam Evans-Brown New Hampshire Public Radio

Originally published on Wed October 3, 2012 5:40 pm

If there is one thing that the mobile-computing era has made clear, it's that kids love touch screens. Because those touch screens — smartphones, iPads, Kindles and the like — are an inevitable added distraction to the classroom, schools across the country are struggling to deal with the growing prevalence of the technology.

But a growing number of schools are embracing these hand-held, Internet-ready devices by creating policies that put them to use in the classroom.

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Music Reviews
4:29 pm
Wed October 3, 2012

A Ska And Jazz Innovator Bridges Continents And Decades

The collaborative album Avila is the latest release from pioneering guitarist Ernest Ranglin.
Courtesy of the artist

Originally published on Wed October 3, 2012 8:19 pm

Guitarist Ernest Ranglin is an elder statesman of Jamaican music. A self-styled composer and improviser, he has traveled and collaborated widely during his 80 years. In California last year, he teamed up with three much younger musicians from South Africa, the U.S. and Israel. The four musicians bonded and quickly recorded an album, named for the San Francisco street where they rehearsed: Avila.

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