he was following two different routes : one going to the university and a slightly different one back. Years later he wanted to know why. To find out, he used the mobile data of more than 14,000 people who lived in urban environments, data from GPS signals that contained more than 550,000 journeys made by pedestrians while walking through Boston and Cambridge (Massachusetts) over a year. Their analysis showed that, instead of choosing the shortest routes , pedestrians chose slightly longer routes that minimized their angular deviation from the destination, that is, they chose paths that allowed them to face their end point more directly when starting the route. although a path starting to the left or right could be shorter. To carry out the

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study, data from GPS signals were used that contained France WhatsApp Number List more than 550,000 journeys made by pedestrians while walking through Boston and Cambridge in the United States. “Instead of calculating the minimum distances, we found that the most predictive model was not the one that sought the shortest path, but the one that tried to minimize the angular displacement, that is, to point directly towards the destination as far as possible, although traveling at greater angles would actually be more efficient, ”says Paolo Santi , a researcher at the Italian National Research Council and co-author of the study. The analysis found that this behavior was repeated both for pedestrians in Boston and Cambridge, which have a convoluted street network, and for those in

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San Francisco, which has a grid-shaped street layout. They also found that people tended to choose different routes when making a round trip between two destinations, much like Ratti did as a student. “When we make decisions based on the angle to the destination, the street network takes you down an asymmetrical path. Based on thousands of pedestrians, it is very clear that I am not the only one: Human beings are not an optimal navigator ”, concludes Ratti. Plastic waste is a serious environmental problem, not only because of its effect on the soil, but also because of its ability to transport emerging pollutants such as drugs and pesticides. In recent years there have been many studies dedicated to the presence of microplastics in

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