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Månadens problem, januari 2022

Du kan ladda ner alla problemen som en pdf. Alla_problem_jan_22 Vi publicerar lösningar och kommentarer i mitten av februari 2022! Skicka in lösningar Vi utmanar alla enskilda, grupper och klasser att skicka in lösningar, kommentarer eller förklaringar till hur ni löst problemen. Bidragen kan vara digitala eller på papper. Inkomna lösningar publiceras ibland och kan […]

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Air pollution exposure linked to poor academics in childhood

Children exposed to elevated levels of air pollution may be more likely to have poor inhibitory control during late childhood and poor academic skills in early adolescence, including spelling, reading comprehension, and math skills. Difficulty with inhibition in late childhood was found to be a precursor to later air pollution-related academic problems. Interventions that target

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How a fly’s brain calculates its position in space

Navigation doesn’t always go as planned — a lesson that flies learn the hard way, when a strong headwind shunts them backward in defiance of their forward-beating wings. Fish swimming upriver, crabs scuttling sideways, and even humans hanging a left while looking to the right contend with similar challenges. How the brain calculates an animal’s

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