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Flowers are nature's ad men. They'll do anything to attract the attention of the pollinators that help them reproduce. That means spending precious energy on bright pigments, enticing fragrances and dazzling patterns.

Now, scientists have found another element that contributes to flowers' brand: their distinct electric field.

Anne Leonard, who studies bees at the University of Nevada, says our understanding of pollinator-flower communication has been expanding for decades.

Over the past few decades, one of the most perplexing questions in global health is how to stop HIV.

There have been campaigns involving condoms, abstinence and even the circumcision of all men younger than 46. But one relatively new strategy, called treatment as prevention, is causing quite a buzz.

Here's a headline that may sound familiar: Miami is in the middle of a condo boom.

Just seven years ago, Miami had a similar surge in condo construction. But it all came crashing down. There was an international banking crisis, and the Florida real estate bubble burst — taking down investors and many developers.

But new towers are once again reshaping the city's skyline.

Peter Zalewski, a real estate consultant with Condo Vultures, says 19 condo towers are now in the works in Miami, with 7,000 total units.

Steven Spielberg's film Lincoln has earned 12 Academy Award nominations, including best picture and best director. Another Spielberg film — the multi-Oscar winning Schindler's List — will be celebrating 20 years since its release. These films have at least two important things in common: Spielberg and publicist Marvin Levy.