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    The editors of Scientific American regularly encounter perspectives on science and technology that we believe our readers would find thought-provoking, fascinating, debatable and challenging. The guest blog is a forum for such opinions. The views expressed belong to the author and are not necessarily shared by Scientific American.

  • A Science Miniseries: The Big Story of Alcohol, Civilization and a Little Fungus

    There is a little magic embodied in every bit of bread or cheese and every sip of beer and wine.   That magic is microbial and, at least in the case of the bread, beer and wine, the microbe doing the magic is yeast, of a single species, Saccharomyces cerevisiae, what one might reasonably call civilization’s [...]

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    Exhausted Writer Discovers First Cave Painting of Yeast

    This article is the sixth and probably last article in a minseries of six articles (see the first,  second, third,  fourth and fifth articles here)  about civilization, fungus, and alcohol. Very little is known about the beginning of the story of humans and yeast. Did it start in one place? Did it start in many? Did yeast independently [...]

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    How Did Human Brains Get to Be so Big?

    New research points to an ancient energy tradeoff that meant more fuel for brains, and less fuel for muscles. Recently while visiting the National Museum of Natural History in Washington, D.C., I found myself pondering the noggins of some very, very, old apes. Along one wall of the Hall of Human Origins — an exhibit [...]

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    5 Kinds of Fungus Discovered to Be Capable of Farming Animals!

    This article is the fifth (see the first,  second, third and fourth articles here)  in a miniseries of six articles  that will be posted over six days about civilization, fungus, and alcohol. They found themselves, like any first creatures, lost. Without means, they were unable to survive by anything other than what was in the immediate surroundings.  They [...]

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    John Glenn: The Man Behind the Hero

    On March 1, 1962, thousands of people lined New York City’s Broadway. Some climbed into an unfinished building to use it as a makeshift grandstand. They all wanted a glimpse of a real life hero. In the back of a car driving slowly down the street sat John Herschel Glenn Jr., smiling and giving onlookers [...]

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    By Looking Carefully, Japanese Scientist Discovers the Secrets of Termite Balls

    This article is the fourth (see the first,  second and third articles here)  in a miniseries of six articles (yes, I added one) that will be posted over six days about civilization, fungus, and alcohol. The first four articles are already determined, but just how this series finishes up will be chosen by the comments and [...]

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    Strong Medicine: Drinking Wine and Beer Can Help Save You from Cholera, Montezuma’s Revenge, E. Coli and Ulcers 1

    This article is the third (see the first and second articles here)  in a miniseries of six articles (yes, I added one) that will be posted over six days about civilization, fungus, and alcohol. The first four articles are already determined, but just how this series finishes up will be chosen by the comments and ideas [...]

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    Fruit Flies Use Alcohol to Self-Medicate, but Feel Bad about it Afterwards

    This article is the second (see the first here) in a miniseries of six articles that will be posted over five days about civilization, fungus, and alcohol. Sometimes scientists are asked if they have hobbies. What follows is an awkward pause. It is not as if scientists don’t have hobbies, it is just that their [...]

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    A Sip for the Ancestors: The True Story of Civilization’s Stumbling Debt to Beer and Fungus

    The Beginning of our Troubles

    This article is one in a miniseries of five articles that will be posted over the next five days about civilization, fungus, and alcohol. The first four articles are already determined, but just how this series finishes up will be determined by the comments and ideas of readers. Solomon Katz is an anthropologist. He worked [...]

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    Blizzard! Explained.

    It starts with a soft, almost soothing, hiss, but it is not a comforting sound. The hiss — the sound of wind and snow grains sliding along the ground–is the prelude to a mighty symphony of noise, swirling snow, and danger. The snow symphony spawns whiteout (Fig. 1) and gridlock. When your work is studying [...]

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