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A 33,000-year-old skull of a "wolf on the way to becoming a dog" was found in a Siberian cave. Evolutionary Biologist Susan Crockford, co-author of a study about the skull in PLoS ONE, discusses why the discovery challenges common beliefs about dog domestication.

BP released millions of gallons of dispersants to break up oil from the Deepwater Horizon disaster. But what if dispersants could be sucked up again after doing their job? Chemist Julian Eastoe talks about an iron-containing soap he's created that can be recaptured using a magnet.

Physicians who pack on the pounds discuss weight loss less frequently with obese patients than doctors who have normal weights, a study finds. Overweight and obese physicians expressed greater confidence in prescribing weight-loss drugs than other doctors.

Dengue fever cases are soaring worldwide, according to the World Health Organization. They're also hitting closer to home. Two locally acquired cases were reported in Miami last year, and public health experts say we should expect more.

In his book, Reinventing Discovery: The New Era of Networked Science, Physicist Michael Nielsen discusses why scientists jealously guard their data and are slow to adopt online tools for collaboration. Nielsen talks about why attempts to create science wikipedias have failed.

As he campaigns for the Republican nomination, Newt Gingrich almost always works the name of Ronald Reagan into his speeches. In fact, Gingrich's name-dropping is so common that it's now being criticized by Mitt Romney and the superPAC that backs him.

The late John Levy was many things — African American, a bass player, nearly 100 years old when he died last weekend. But it was his work behind the scenes, as a businessman, which defined his pioneering legacy in music.

If you're a politician, you don't have to engage in any kind of wild or outlandish behavior to become the talk of the Internet and cable news. To spare politicians further embarrassment, we have prepared this list of do's and, mainly, don'ts.

In Mexico, where criminals are armed to the teeth with high-powered weapons, it may come as a surprise that the country has some of the most restrictive gun laws in the world. One community has begun to ask if it's time to make guns easier to obtain legally so they can defend themselves.

I'll watch the Super Bowl next week with my children and wonder how comfortable we fans can be, sitting and snacking, while too many of the players we cheer entertain us and get rich at such terrible cost to themselves.