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2011 may go down as the year of the retraction in the scientific world.

Among the highly publicized discoveries that got debunked this year: a genetic basis for longevity; a new form of life; an explanation for autism; and a link between a virus and chronic fatigue syndrome.

All of these non-discoveries have something in common. They involved findings that both scientists and the public badly wanted to believe.

At every stop in Iowa, former House speaker Newt Gingrich touts his experience. He calls himself a "supply-side conservative" who worked with Ronald Reagan in the 80's and again as House speaker in the 90's to revive the economy.

But he's not averse to a good photo op.

At The Chocolate Season in Algona Wednesday, owner Erika Jensen showed Gingrich and his wife Calista how to make hand-dipped chocolates.

Working the night shift is bad for your health. But what if that's because the food is so lousy?

That's the provocative question raised this week by the editors of PLoS Medicine, an online medical journal.

For many people, the New Year begins with popping a bottle of champagne or sparkling wine. It's the go-to drink for the celebratory moments in our lives.

Yet champagne is far more versatile than many people think. Beyond just pouring it into a glass, you can mix it with any number of spirits to create a range of champagne cocktails.

"One that starts off a little simpler is a French 75," respected mixologist Greg Seider tells Weekend Edition guest host Jacki Lyden. "[It's] gin, lemon juice, a slight bit of agave, topped with prosecco or champagne."