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Medical Treatments
12:04 pm
Fri October 5, 2012

From Stem Cells To Eggs (And Beyond)

Transcript

IRA FLATOW, HOST:

Up next, turning stem cell into mouse eggs. Scientists have been growing stem cells in the lab for nearly 15 years now. And in that time they've learned to transform stem cells into pretty much anything they wanted to - heart cells, liver cells, brain cells. But now a group of Japanese scientists has raised the bar by transforming mouse stem cells into mouse eggs. And not only do they look like eggs but they can be fertilized and developed into healthy mice.

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Author Interviews
12:01 pm
Fri October 5, 2012

Steven Strogatz: The Joy Of X

In The Joy of X: A Guided Tour of Math, from One to Infinity, mathematician Steven Strogatz provides an entertaining refresher course in math, starting with the most elementary ideas, such as counting, and finishing with mind-bending theories of infinity--including the idea that some infinities can be bigger than others.

The Salt
11:57 am
Fri October 5, 2012

Does Your Gas Tank Hold Enough Food To Feed 22 People?

Robert Byron iStockphoto

Originally published on Thu October 11, 2012 9:35 am

Here's a little math problem for you: How many calories go into the ethanol that's in your tank of gas?

Enough to feed 22 people, if you're talking the bare minimum calories needed in a single day, according to researchers at the New England Complex Sciences Institute.

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It's All Politics
11:56 am
Fri October 5, 2012

For Obama, 7.8 Could Be Lucky Number

President Obama smiles during a rally Friday at George Mason University in Fairfax, Va.
Brendan Smialowski AFP/Getty Images

Originally published on Fri October 5, 2012 12:09 pm

To become president and to be re-elected president takes much luck (among other factors, like money and political skill.) And President Obama appears to be one of the most fortunate presidents in recent memory with the release of the latest employment report.

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The Two-Way
11:56 am
Fri October 5, 2012

Teenage Boy Scout Denied Organization's Top Rank Because He's Gay

Ryan Andresen
Karen Andresen via Change.org

Originally published on Fri October 5, 2012 1:53 pm

Ryan Andresen spent 12 years as a Boy Scout. Now that he's 17 and about to graduate from high school, he completed the final requirement to receive the Eagle Scout award, which signifies the highest rank in the organization.

Except, according to his mother, Karen, when he submitted the paperwork, the scoutmaster for Troop 212 in the San Francisco Bay Area told him he could not give him the Eagle Scout honor because Andresen is gay.

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