In a few weeks, NASA's Curiosity rover may use its powerful drill for the first time on Mars, and that has been a cause of a concern - not because the drill may be malfunctioning, but because the drill bit might be contaminated with germs from Earth.
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.
During the Republican debates, Mitt Romney told a moderator "You get to ask the questions you want. I get to give the answers I want." Social psychologist Todd Rogers talks about how likely voters are to notice a subtle dodge. James Fowler joins to discuss whether social media can send more people to the polls.
In an election that's supposed to be about the economy, tragic deaths overseas push foreign policy onto the political stage in the race between Mitt Romney and President Obama. While Romney seems to have lost the initial battle, questions remain about the administration's Middle East goals.
Join NPR's Ron Elving and Ken Rudin for the latest "It's All Politics" roundup.