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DAVID GREENE, HOST:

Food researchers in England have analyzed health claims on some 4,000 foods and came up with this super meal of superfoods: salmon terrine, chicken casserole and yogurt blancmange.

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(SOUNDBITE OF SONG, "LIFE IS A BALL GAME")

SISTER WINONA CARR: (Singing) Life is a ball game being played each day. Life is a ball game being played...

DAVID GREENE, HOST:

If life is a ball game, well, Mike Pesca is our man courtside. We talk sports with him every Sunday. This week, we saw a lot of boiling hot temperatures around the country.

But, Mike, we should probably talk about a different kind of heat, I guess.

MIKE PESCA, BYLINE: Yes, the kind of heat that brings joy - to at least some people in South Florida.

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This is WEEKEND EDITION, from NPR News. I'm David Greene. Americans are growing more and more frustrated with the gridlock in Washington, D.C. In a Gallup poll out this month, only 17 percent of Americans said they approve of the job Congress is doing. Well, Christine Quinn says it does not have to be that way. She is the speaker of the New York City Council, and she's taken heat for seeming too close to the executive branch - that would be New York Mayor Michael Bloomberg.

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This is WEEKEND EDITION from NPR News. I'm David Greene. This morning, Egyptians have their first-ever democratically elected president. Mohamed Morsi, the Islamist Muslim Brotherhood candidate has been declared the winner of hotly disputed election.

(SOUNDBITE OF CROWD CHEERING)

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This is June, the time of year when our friends at NPRMusic compile songs, artists and albums for something they like to call their Best of the Year So Far List. And we thought we'd give you a sampling of some of their favorites. We're focusing today on Latin alternative music.

Felix Contreras and Jasmine Garsd hosts NPR's online show Alt.Latino and they spoke to WEEKEND EDITION's Rachel Martin about the sounds that are catching their ears in 2012.

RACHEL MARTIN, HOST:

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Human evolution is all about survival of the fittest. Over thousands of generations, the weak have been weeded out, and the strong have survived. But how would that kind of natural selection work in other settings - like, say, music? Well, one biologist decided to find out. He designed a website where listeners can rate collections of notes according to their musicality. The nice sounds survive, and other users listen to them. But the ugly sounds die off.

An Arizona law that went into effect last year essentially ruled that the Mexican-American studies program offered in the Tucson public school system was divisive and should be scrapped. At the end of the first semester without the classes, hard feelings still linger.

For eight years, until this past January, Lorenzo Lopez taught Mexican-American studies at Cholla High in Tucson, Ariz., the very school from which he graduated in 1992.