Science

1:01pm

Fri October 5, 2012
Author Interviews

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.

12:11pm

Fri October 5, 2012
NPR Story

How Astronomers Measured the Edge of a Black Hole

Originally published on Fri October 5, 2012 1:41 pm

Transcript

IRA FLATOW, HOST:

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12:11pm

Fri October 5, 2012
NPR Story

What Your Genes Can Tell You About Your Memory

Originally published on Fri October 5, 2012 1:03 pm

A recent study conducted at the University of Pennsylvania identified key molecules involved in forming long-term memories. Experts discuss how this is the latest in a growing field of research on how our bodies regulate our genes, and how this process affects our memories.

12:11pm

Fri October 5, 2012
NPR Story

Starfish Blamed For Great Barrier Reef Coral Loss

Originally published on Fri October 5, 2012 1:03 pm

Over the past 27 years, Australia's Great Barrier Reef has lost half of its live coral cover, and a type of starfish is partly to blame for the alarming decline. Mark Eakin, head of NOAA's Coral Reef Watch program, discusses how to save the world's largest coral reef system.

12:11pm

Fri October 5, 2012
NPR Story

A Beetle That Puts The 'Extreme' in Extremity

Originally published on Fri October 5, 2012 1:03 pm

Transcript

IRA FLATOW, HOST:

Flora Lichtman is here with our Video Pick of the Week. Hi, Flora.

FLORA LICHTMAN, BYLINE: Hi, Ira.

FLATOW: What you got for us this week?

LICHTMAN: This week's video pick is about a very menacing creature, and I want to give our listeners a chance to guess what it is based on some clues from University of Montana, biologist Doug Emlen and Erin McCullough.

ERIN MCCULLOUGH: These males have a giant pitchfork sticking out of their forehead.

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10:29am

Fri October 5, 2012
Krulwich Wonders...

Animals Who Love to Rub Themselves With Ants. Is This Addictive?

Originally published on Fri October 5, 2012 11:28 am

Adam Cole NPR

This is how we do it.

This is how they do it.

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5:33am

Fri October 5, 2012
Research News

Scientists Use Stem Cells To Create Eggs In Mice

Transcript

RENEE MONTAGNE, HOST:

Scientists have, for the first time, used stem cells to create eggs in mice. This long-sought breakthrough raises the possibility of some day doing the same thing to help treat infertility in people. As NPR's Rob Stein reports, that's generating a lot of debate.

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2:28pm

Thu October 4, 2012
Shots - Health Blog

Scientists Create Fertile Eggs From Mouse Stem Cells

Originally published on Thu October 4, 2012 8:45 pm

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

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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1:25pm

Thu October 4, 2012
The Salt

The Cost Of Saving Lives With Local Peanuts In Haiti

Originally published on Fri October 5, 2012 4:05 pm

Alex E. Proimos flickr

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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10:29am

Thu October 4, 2012
13.7: Cosmos And Culture

Is There A Right Way To Be Gay?

Originally published on Fri October 5, 2012 9:11 am

Men holding hands.
iStockphoto.com

In an essay titled "How to be Gay" written for the review section of The Chronicle of Higher Education last month, David M. Halperin offered this provocative passage:

"Same-sex desire alone does not equal gayness. 'Gay' refers not just to something you are, but also to something you do. Which means that you don't have to be homosexual in order to do it. ... In short, it is a practice. And if gayness is a practice, it is something you can do well or badly."

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