Weekend All Things Considered

Weekends at 4pm
Guy Raz
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4:03pm

Thu November 29, 2012
Science

Greenland, Antarctic Ice Is Melting Faster

Originally published on Thu November 29, 2012 4:44 pm

An iceberg that likely calved from Jakobshavn Isbrae, the fastest glacier in western Greenland.
Ian Joughin Science/AAAS

Superstorm Sandy sparked a lot of interest in rising sea levels when it swept across the Northeast last month and flooded parts of the coast. Over the next century, more water — and higher sea levels — could come from melting ice in Greenland and Antarctica. How much has been unclear.

But now scientists have developed a much clearer view of how quickly that ice has been melting over the past two decades. And that will help researchers forecast the rate of sea-level rise in the years to come.

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4:02pm

Thu November 29, 2012
It's All Politics

Would Raising Taxes On Investment Income Hurt The Economy?

Originally published on Thu November 29, 2012 8:53 pm

A screen grab from an ad by the Defend My Dividend campaign, which is funded by utilities and other companies. They don't support a proposed increase in taxes from investment income.
YouTube

As Democratic and Republican leaders try to work out a deal to avoid the automatic spending cuts and tax increases of the fiscal cliff, one area they're zeroing in on is investment income.

Raising the rates on capital gains and dividends, even just for the wealthy, would bring in $240 billion over the next decade. That makes them an easy place to look for new revenue.

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3:06pm

Thu November 29, 2012
The Salt

Tastier Winter Tomatoes, Thanks To A Boom In Greenhouse Growing

Originally published on Wed December 5, 2012 7:36 am

The taste of Mock's tomatoes starts with the seed. He uses only organic varieties, including cherry and several heirloom varieties.
Allison Aubrey NPR

It may sound like an oxymoron: a delicious local, winter tomato — especially if you happen to live in a cold climate.

But increasingly, farmers from West Virginia to Maine and through the Midwest are going indoors to produce tomatoes and other veggies in demand during the winter months. "There's a huge increase in greenhouse operations," Harry Klee of the University of Florida tells us.

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2:54pm

Thu November 29, 2012
Shots - Health News

Clinton Reveals Blueprint For An 'AIDS-Free Generation'

Originally published on Fri November 30, 2012 7:52 am

United Nations Aids Executive Director Michel Sibide hugs Secretary of State Hillary Clinton after they they presented the a road map for stopping HIV around the world.
Jim Watson AFP/Getty Images

Before Secretary of State Hilary Rodham Clinton passes the reins to her successor, she's got a few loose ends to tie up. One of them is mapping out the U.S.'s continuing efforts to combat AIDS around the world.

So today she unveiled a "blueprint" for what she called an "AIDS-free generation."

Now Clinton isn't talking about ending the HIV pandemic altogether. Rather, she hopes to prevent most new infections from occurring in the first place and to stop HIV-positive people from developing AIDS.

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1:05pm

Thu November 29, 2012
Space

Space Probe Finds Ice In Mercury's Craters

Originally published on Thu November 29, 2012 4:37 pm

Researchers say they have identified traces of ice in craters on Mercury, seen here in this Oct. 8, 2008, image from the Messenger spacecraft.
NASA

Mercury is not the first planet to come to mind if you were searching for ice in the solar system. After all, the surface temperature across most of the planet is hot enough to melt lead.

But at the poles on Mercury it's a different story. Almost no sun reaches the poles, and as a result, temperatures can drop to less than -100 degrees Fahrenheit. Now, three papers in the journal Science suggest there really is ice at the bottom of craters near the poles on Mercury.

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