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The U.S. Air Force Office of Scientific Research (AFOSR) has awarded $8.5 million to a consortium of seven U.S.

This Valentine's Day, Scientific American traces the flow of chemicals in the brain during different phases of romance and describes surprising insights from the science of attraction.

It is often argued that more lore attaches to chocolate than to any other human consumable except wine. As the Portuguese poet Fernando Pessoa wrote: “Look, there’s no metaphysics on earth like chocolate.” In the February issue of Scientific American, Harold Schmitz and Howard-Yana Shapiro of Mars, Incorporated, report on the future of chocolate, given the threats to the fragile cacao tree whose seeds provide the cocoa ingredients from which all chocolate products are made. Below is a timeline documenting some of the many uses of chocolate through the ages

Funded by the Air Force Office of Scientific Research, the development of a new circular polarization filter by a collaborative team of scientists at the Colorado School of Mines and ITN Energy Systems has the potential to aid in early cancer detection, enhance vision through dust and clouds and to even improve a moviegoer's 3D experience.

Funded by the Air Force Office of Scientific Research, the development of a new circular polarization filter by a collaborative team of scientists at the Colorado School of Mines and ITN Energy Systems has the potential to aid in early cancer detection, enhance vision through dust and clouds and to even improve a moviegoer's 3D experience.

Editor's Note: Reprinted from How the Hippies Saved Physics: Science, Counterculture, and the Quantum Revival by David Kaiser. Copyright (c) 2011 by David Kaiser.

Here s the sort of crazy idea that animates our office conversation at Scientific American . It all started with my colleague Michael Moyer s joke that a certain politician could build his moon base using a balloon: just capture the hot air and float all the way up. Ha ha, we all know that balloons don t work in outer space

Welcome to the Scientific American podcast Science Talk, posted on January 25th, 2012. I’m Steve Mirsky

A couple of weeks ago, Huffington Post launched its Science section . I invited Cara Santa Maria, the science correspondent at Huffington Post to tell us more about this new endeavor. Bora Zivkovic: Hello, welcome to the Scientific American blog network.

Ants engage in large-scale battles that in many ways call to mind human warfare. Entomologist and photographer Mark Moffett describes their bellicose behaviors in his article in the December issue of Scientific American . [More]

Different foods require different amounts of energy to produce.

Different foods require different amounts of energy to produce. Meat is four times as demanding as grains are.

Although most people think of memory as a vault for storing information, it is more like a seamstress who stitches together logical threads into scenes that make sense.

Inevitably, year-end lists invite plenty of debate and criticism, and Scientific American 's is no exception. Certainly, we could have included the discovery of new worlds beyond our solar system, including Kepler 22 b, an exoplanet in the "Goldilocks" zone of habitability, as well as the first known Earth-size exoplanets .

When I wrote my end-of-the-year update for staff, Bora Zivkovic, our chief blogs editor, reminded me that others are also interested in the goings on at Scientific American . It’s never a good idea to say no to Bora.