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‘Running of the bulls’ festival crowds move like charged particles

Crowds at the San Fermín festival in Pamplona during the famous bull run Migel/Shutterstock People in a very dense crowd move in small circular “orbits”, like charged particles moving in a magnetic field. The unexpected discovery may help lead to improved mathematical descriptions of dense crowds, which could help us …

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Unlocking clearer views of our world’s water: A Landsat legacy

Locations of in situ data for four water parameters examined in this study. Credit: Journal of Remote Sensing (2024). DOI: 10.34133/remotesensing.0110 Satellite remote sensing is vital for monitoring marine and freshwater ecosystems, leveraging missions like SeaWiFS, MODIS, MERIS, Landsat, and Sentinel to track water parameters such as chlorophyll, sediment, and temperature. …

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