Science

4:02am

Tue August 21, 2012
Shots - Health Blog

High School Daze: The Perils Of Sacrificing Sleep For Late-Night Studying

Originally published on Wed August 22, 2012 9:01 am

It may not be the best strategy to stay up late and cram. A new study finds that when teens don't get the sleep they need, all kinds of things can go poorly.
iStockphoto.com

High school students with heavy academic course loads often find the demands of homework colliding with the need for adequate sleep.

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3:24am

Tue August 21, 2012
The Salt

How A Biofuel Dream Called Jatropha Came Crashing Down

Originally published on Mon October 22, 2012 10:37 am

A man harvests fruits of the Jatropha tree in Taabo, Ivory Coast. Jatropha, which is grown in many parts of the world, has fallen from favor as a diesel fuel substitute.
Kambou Sia AFP/Getty Images

From Congress to The Colbert Report, people are talking about the Midwestern drought and debating whether it makes sense to convert the country's shrinking corn supplies into ethanol to power our cars.

It's the latest installment of the long-running food vs. fuel battle.

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4:27pm

Mon August 20, 2012
Science

Examining The Truth About Rape And Pregnancy

Originally published on Mon August 20, 2012 6:02 pm

All Things Considered host Melissa Block talks with Nick Baumann of Mother Jones magazine about the belief at the core of Missouri state Rep. Todd Akin's furor-raising statement over the weekend: that "legitimate rape" rarely leads to pregnancy. The belief that hormones or adrenaline protect women from conception during rape has been perpetuated for decades in American political discourse, without scientific basis. Studies have found approximately 5 percent of rapes result in pregnancy.

4:25pm

Mon August 20, 2012
13.7: Cosmos And Culture

When We Mistake Our World

Applying Newtonian thinking is wrong when it comes to the evolution of life and culture.
Wikimedia Commons

We mistake our world.

With an arrogance born in part of science's triumphs since Newton, in part of the Enlightenment, the Industrial Revolution, modernity, we mistake our living, human world.

More importantly, we mistake our humanity and how we might better come to live with one another as our globe, with its dozens of civilizations, rushes together.

Let's start with Newton. More than any other single mind, Newton taught us how to think. I've posted on this before, I know, but it warrants repetition. We remain Newton's children.

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4:20pm

Mon August 20, 2012
Environment

Wood Energy Not 'Green' Enough, Says Mass.

Originally published on Mon August 20, 2012 6:02 pm

Wind and solar get lots of attention, but another kind of renewable power actually creates more energy in our country --wood. The state of Massachusetts on Friday decided that these plants aren't green enough to get some special breaks.

8:48am

Mon August 20, 2012
The Salt

How Much Does A Hamburger Cost? That Depends

Originally published on Mon October 22, 2012 10:38 am

Crunching the numbers to show the environmental cost of a hamburger isn't easy, and we should know.
iStockphoto.com

A few decades ago, a hamburger was just a yummy sandwich.

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3:23am

Mon August 20, 2012
Shots - Health Blog

Why Can Some People Recall Every Day Of Their Lives? Brain Scans Offer Clues

Originally published on Mon August 20, 2012 1:50 pm

Researchers are using MRI scans to learn more about the brains of people with extraordinary memory.
iStockphoto.com

Six years ago, we told you about a woman, identified as A.J., who could remember the details of nearly every day of her life. At the time, researchers thought she was unique. But since then, a handful of such individuals have been identified. And now, researchers are trying to understand how their extraordinary memories work.

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3:15pm

Fri August 17, 2012
13.7: Cosmos And Culture

What Hepatitis C Tells Us About Drug Use And Addiction

Originally published on Fri August 17, 2012 3:48 pm

Hepatitis C is commonly spread through the shared use of needles to inject drugs.
Alex iStockphoto.com

U.S. health officials recommended this week that baby boomers — that is, anyone born between 1945 and 1965 — should get tested for hepatitis C. Why? New treatment options mean it will be possible to cure many more of the infected before they develop deadly diseases of the liver.

But there is an interesting story lurking beneath the headlines.

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1:59pm

Fri August 17, 2012
Space

Massive "Phoenix Cluster" Supersizes Star Creation

Originally published on Fri August 17, 2012 2:01 pm

Transcript

FLORA LICHTMAN, HOST:

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1:55pm

Fri August 17, 2012
Book Reviews

Actress Danica McKellar Helps "Girls Get Curves"

Transcript

FLORA LICHTMAN, HOST:

Up next, math books get a makeover. You may remember my next guest from her acting roles on "The Wonder Years." Winnie Cooper may ring a bell or "The West Wing." But for thousands of girls today, she's the writer and personality behind a bestselling series of books that aim to teach girls about math. First, there was "Math Doesn't Suck," then "Hot X: Algebra Revealed," and now we're onto geometry.

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