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Journals usually require researchers to reveal genetic sequences for a toxin that is the subject of a scientific paper. The requirement was waived for a new botulinum toxin because of security risks.

Chicago Congressman Luis Gutierrez's life has been marked by arrests, no-holds-barred Chicago-style political fighting, and even the occasional Molotov cocktail thrown through his window. He speaks with host Michel Martin about his life and new memoir Still Dreaming: My Journey from the Barrio to Capitol Hill.

For centuries, the memory of Jane Franklin has languished in brother Benjamin's shadow. While Ben is on currency and splashed across textbooks, Jane's life of curiosity and hardship has been forgotten. In Book of Ages, historian Jill Lepore draws a portrait of one of the American Revolution's "little women."

Folks often wonder how best to celebrate heritage months. Companies often sponsor scholarships targeted at certain groups. But sometimes, corporations 'commemorate' the month with a twist.

There were signs Sunday that while health care may have been the key issue in the House debate, in the Senate, which is now leading the discussion, a solution may hinge on the next round of sequestration cuts, due to take effect in January.

After more than 50 years, Bill Baker returns to the island in an effort to analyze his life.

Nuclear negotiators from six world powers and Iran head to Geneva for talks surrounded by more optimism than has been seen in years. Positive rhetoric from the new administration of President Hasan Rouhani has raised hopes that diplomacy may once again be ascendant instead of sanctions and threats of military action. Analysts say the trick will be getting the slow-moving negotiating process to respond before these expectations fade. Much will depend on the West's, and especially Washington's, willingness to consider leaving low-level uranium enrichment in Iran's hands, and on whether Congress can be persuaded to hold off on more punitive sanctions that could derail the diplomatic effort.

The vast majority of researchers in the science field are honest and conscientious. But that's not the case for all of them, and a federal agency that tracks misconduct and cheating in the field is seeing increases.

This weekend is all about Sunday's Super Bowl matchup between the Denver Broncos and the Seattle Seahawks. NPR's Tom Goldman joins Scott Simon to talk about the history of the game, and the one key factoid that predicts Sunday's winner that no one has mentioned yet.

We want to know who you turn to for an accurate weather forecast: is it the groundhog, the Farmers' Almanac or the nerds with supercomputers?