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Scientists discover the brain chemical that helps you break bad habits

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Scientists have uncovered a key brain signal that helps us break old habits and adapt when circumstances suddenly change. By watching mice navigate a virtual maze, researchers found that disappointment—when an expected reward failed to appear—triggered a surge of the neurotransmitter acetylcholine, making the animals more likely to try a new strategy. When acetylcholine was blocked, the mice becam

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Technology used to monitor conservation efforts at Rome's Colosseum to be used at the Ipiranga Museum
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Technology used to monitor conservation efforts at Rome's Colosseum to be used at the Ipiranga Museum

The same three-dimensional laser scanning technology used to monitor the Colosseum in Rome will be used in a conservation project at the Ipiranga Museum in São Paulo, Brazil. Beatriz Kuhl, a professor at the University of São Paulo's Faculty of Architecture and Urbanism (FAU-USP), presented the initiative, which is scheduled to begin in July, during FAPESP Week London, held June 2–4.

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