Science

The Salt
11:42 am
Wed August 14, 2013

How A Seed Saver Discovered One Of Our Favorite Tomatoes

A Cherokee purple tomato grown in Alaska in 2011.
Sherry Shiesl Tatiana's TOMATObase

Originally published on Fri August 16, 2013 2:04 pm

Fortunately for those of us who are suckers for novelty, every year fruits and vegetables seem to come in more bewitching colors, shapes and flavors. Lately, we've been tickled by the cotton candy grape and the vibrant orange Turkish eggplant.

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Krulwich Wonders...
10:13 am
Wed August 14, 2013

Is There A Giant Life Form Lurking In Our Solar System? Possibly, Say Scientists

Robert Krulwich NPR

Originally published on Wed August 14, 2013 10:29 am

What if — just maybe — we find extra-terrestrial life in the oceans of Europa, a little moon circling Jupiter? If we do, says writer Caspar Henderson, don't expect that oceanic alien to be very big. Or very scary. Or even very visible. Nothing like this ...

The "top predator" on Europa, Henderson reports, is likely to be "a fearsome creature with the mass of one gram." That's three one-hundredths of an ounce.

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Energy
4:36 am
Wed August 14, 2013

Complex Networks Make Up U.S. Power Grid

Originally published on Wed August 14, 2013 8:16 am

Transcript

DAVID GREENE, HOST:

And whether it's worth paying to avoid all blackouts is a theme that has been on the mind of Steven Weissman, he's a professor of Electricity Law at the University of California, Berkeley. We reached him on this blackout anniversary to learn about how the nation's energy system is structured. Weissman says the grid is really made up of several complex networks.

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Energy
2:01 am
Wed August 14, 2013

10 Years After The Blackout, How Has The Power Grid Changed?

The sun sets over the Manhattan skyline during a major power outage affecting a large part of the Northeastern United States and Canada on Aug. 14, 2003. Ten years later, some improvements have been made to the grid to prevent another large-scale blackout.
Robert Giroux Getty Images

Originally published on Wed August 14, 2013 11:58 am

Ten years ago, a sagging power line hit a tree near Cleveland, tripping some circuit breakers. To compensate, power was rerouted to a nearby line, which began to overheat and sink down into another tree, tripping another circuit. The resulting cascade created a massive blackout in the Northeast U.S., affecting power in eight states and part of Canada.

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The Salt
9:49 am
Tue August 13, 2013

Why Urban Beekeeping Can Be Bad For Bees

Beehive designer Johannes Paul (right) and Natural England's ecologist Peter Massini, with a brood frame colonized with bees from the "beehaus" beehive on the roof of his house in London in 2009.
Sang Tan AP

Originally published on Thu August 15, 2013 4:27 pm

Two British scientists are dumping cold water on campaigns to promote urban beekeeping. They say that trying to "help the bees" by setting out more hives is naive and misguided if the bees can't find enough flowers nearby to feed on. You'll just end up with sick and starving bees.

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