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I'll never forget the time my big brother sank his fork in the back of my hand after I snitched food off his plate.

But all siblings fight, right? So I was more than a little skeptical of a study saying that sibling aggression can cause serious mental health problems like depression and anxiety.

Americans are polarized about many things, it seems, but according to a new poll by the Pew Research Center for the People & Press, they agree that the United States should stay out of the Syrian conflict.

Seventy percent of those polled said they oppose the U.S. and its allies sending arms to anti-government groups in Syria. Just 20 percent favor it.

The U.S. Supreme Court on Monday tossed out an Arizona law that required proof of citizenship for its voters. In a 7-2 majority, the justices said the state's voter-approved Proposition 200 interfered with federal law. For more on the ruling, David Greene speaks with NPR's Carrie Johnson and Ron Elving.

The Supreme Court ruled in June that police can routinely take DNA samples from people who are arrested for comparison against a national database. The decision raises major questions about how law enforcement and criminal justice processes will change.

Iranians elected Hasan Rowhani, a reformist-backed cleric, as president — a surprise to many who expected an ultraconservative candidate to win. Former NPR foreign correspondent Mike Shuster provides analysis and responds to opinion pieces about what has changed after the election.

In her book Cows Save The Planet, journalist Judith Schwartz argues that the key to addressing carbon issues and climate change lies beneath our feet. Schwartz says that proper management of soil could solve a long list of environmental problems.

Schwartz talks with NPR's Neal Conan about the promise of holistic management.

Self-described NSA leaker Edward Snowden has made some stunning allegations during a live chat with The Guardian today.

The Supreme Court is looking to make the final stretch of the 2012 term a dramatic one: While the justices knocked out five opinions today, none of them were the major ones we've been looking forward to. As we've told you before, we're waiting for:

— Fisher v. University of Texas, a key test of affirmative action in higher education.

Does cast-iron skillet cornbread, hot and crispy from the oven, transport you back to your grandma's kitchen? Do you cook with certain ingredients as a link to your roots in the South? If so, "A Spoken Dish" wants to hear your story.

The Southern Foodways Alliance is teaming up with Whole Foods Market and Georgia Organics in this video storytelling project as a way to celebrate and document food memories and rituals of the American South.

The Supreme Court is weighing a decision on Abigail Fisher's affirmative action case against the University of Texas. Host Michel Martin speaks with ProPublica writer Nikole Hannah-Jones about Fisher's motivation and what's behind the landmark case.