Sunlight & Saltwater is All You Need for This Electricity-Free Cooling System

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The team’s strategy involves taking advantage of a natural “phase-change” phenomenon, where energy is absorbed as salt crystals dissolve in water. By The Optimist Daily: Making Solutions the News © 2021 The Optimist Daily – All Rights Reserved Sunlight and Saltwater is All You Need for This Electricity-Free Cooling System Researchers at Saudi Arabia’s King Abdullah University of Science and Technology (KAUST) are working on a cooling system that requires zero electricity, something that would be highly valuable in many parts of the world that lack infrastructure but get a…

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Vertical Modular Farms Aim to Solve the Problem of Urban Food Deserts

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Each cube can reportedly produce more than 200kg of crops per year. The self-regulating system uses aeroponics, which means that the crops don’t need any soil. By The Optimist Daily: Making Solutions the News © 2021 The Optimist Daily – All Rights Reserved Vertical Modular Farms Aim to Solve the Problem of Urban Food Deserts Millions of people in the US experience food insecurity on a daily basis. This problem has been exacerbated by the pandemic, which has pushed the total number of Americans experiencing hunger to an estimated 42 million people, many…

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Want Better Sleep? Try Getting Outside

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This research indicates that if you’re having trouble sleeping, some extra time outdoors might do the trick. Plus, it will help meet your daily vitamin D needs. By The Optimist Daily: Making Solutions the News © 2021 The Optimist Daily – All Rights Reserved Want Better Sleep? Try Getting Outside Spending time in nature has been shown to boost children’s cognitive development and improve mental health. One study even showed that just listening to nature is good for your health. Now, further research published in the Journal of Affective Disorders…

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Arachnophobia? There’s An App for That

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“Repeated home use of the stand-alone, smartphone-based, gamified AR exposure app was effective in reducing phobic fear in participants with a fear of spiders. By The Optimist Daily: Making Solutions the News © 2021 The Optimist Daily – All Rights Reserved Arachnophobia? There’s An App for That Spiders are creepy-looking creatures, so it shouldn’t come as a surprise that an estimated five percent of all humans on earth have a serious fear of spindly arachnids. In fact, one 2017 survey found that six-month-old babies often show stress reactions when exposed…

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Benefits of Working Out in the Nude

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This study found people’s body appreciation was boosted after being around other naked people, which researchers attribute to reduced social physique anxiety. By The Optimist Daily: Making Solutions the News © 2021 The Optimist Daily – All Rights Reserved Benefits of Working Out in the Nude We’ve written before about how spending time naked can improve your body image, and it’s well known that regular exercise also improves self-esteem and how you view your body (among other benefits). So why not combine the two for even better results? Working out…

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