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As more people get interested in managing their own health and experimenting with new diets, some are testing their cholesterol on their own, and posting results in online forums where they get feedback on how to improve their scores.

The actor plays a righteous federal agent who succumbs to all sorts of temptations on the HBO drama Boardwalk Empire. To build the character of Nelson Van Alden, he says, he worked out an elaborate back story about the agent's childhood. The third season starts Sunday.

Reporting in Science Translational Medicine, researchers write that healthy sinuses are populated by a diverse population of bacteria, including Lactobacillus species. Study author Susan Lynch discusses whether a microbial spray might be a good cure for the sniffles.

Director Fernando Trueba talks about his Oscar-nominated animated film Chico and Rita, which follows a pair of lovers who leave Havana's music scene in the 1940s to head to New York City. It's now out on DVD.

Part of Curiosity's drill may have been exposed to microbes on Earth before the rover launched to Mars. Catharine Conley, NASA's planetary protection officer, explains how the slip-up violated agency procedures, but why it likely won't impact Curiosity's science objectives.

Berkey Creamery recalls ice cream and frozen yogurt after customers find plastic in their half gallons. It comes after campus police launched a criminal investigation into the tainted ice cream reports last month.

Once again, Republican Mitt Romney has come under criticism for statements regarding world affairs. But the nominee and his supporters continue to insist that if elected, Romney would offer firmer leadership abroad than President Obama. Here's what we do know about Romney's worldview.

What happens at the Northeast Mycological Federation Foray? "Mushrooms only," according to attendee Gary Lincoff, an instructor at the New York Botanical Garden and author of The Audubon Society Field Guide to North American Mushrooms. Science Friday stopped by the conference for mushroom talk, mushroom crafts, mushroom eats and a mushroom hunt.

As the U.S. military begins to shrink its footprint in Afghanistan, there are still many issues that need to be worked out. No matter which candidate wins the U.S. presidential election, there will be a host of challenges.

A new national campaign called Familia es Familia is hoping to help make coming out easier for LGBT Latinos. While the majority of Latinos are accepting of gays and lesbians, foreign-born and evangelical Latinos are less tolerant and remain opposed to same-sex marriage.