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    Optimism tagged posts

    Are we alone? Setting some limits to our planet’s uniqueness

    April 30, 2016, Categories  Astronomy/Space, Biology/Biotechnology

    Illustration of the Drake equation and the Frank equation. In 1961, astrophysicist Frank Drake developed an equation to estimate the number of advanced civilizations likely to exist in the Milky Way galaxy. The Drake equation (top row) has proven to be a durable framework for research, and space technology has advanced scientists' knowledge of several variables. But it is impossible to do anything more than guess at variables such as L, the probably longevity of other advanced civilizations. In new research, Adam Frank and Woodruff Sullivan offer a new equation (bottom row) to address a slightly different question: What is the number of advanced civilizations likely to have developed over the history of the observable universe? Frank and Sullivan's equation draws on Drake's, but eliminates the need for L. Credit: Image courtesy of University of Rochester

    Illustration of the Drake equation and the Frank equation. In 1961, astrophysicist Frank Drake developed an equation to estimate the number of advanced civilizations likely to exist in the Milky Way galaxy. The Drake equation (top row) has proven to be a durable framework for research, and space technology has advanced scientists’ knowledge of several variables. But it is impossible to do anything more than guess at variables such as L, the probably longevity of other advanced civilizations...

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    Feeling Anxious? Check your Orbitofrontal Cortex, OFC, Cultivate your Optimism

    September 22, 2015, Categories  Biology/Biotechnology, Health/Medical

    Glass half full or half empty? What you see may depend in part on the size of your orbitofrontal cortex. Optimistic people also tend to be less anxious, research finds. Credit: Graphic by Julie McMahon

    Glass half full or half empty? What you see may depend in part on the size of your orbitofrontal cortex. Optimistic people also tend to be less anxious, research finds. Credit: Graphic by Julie McMahon

    A new study finds healthy adults who have larger OFCs tend to be more optimistic and less anxious. Anxiety disorders afflict roughly 44 million people in the U.S. These disorders disrupt lives and cost an estimated $42-$47 billion annually.

    The orbitofrontal cortex, a brain region located just behind the eyes, is known to play a role in anxiety. The OFC integrates intellectual and emotional information and is essential to behavioral regulation. Previous studies have found links between the size of a person’s OFC and his or her susceptibility to anxiety...

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