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Remodeling the hippocampus for allowing Alzheimer's mice to remember others

This study led by Laure Verret (CRCA-CBI) and collaborators from Toulouse and Paris, published in iScience, shows that mice modeling Alzheimer's disease are unable to remember a conspecific, and that this is associated with anatomical and functional abnormalities in CA2. However, a single injection of the protein NRG1 into CA2 restores social memory ability of Alzheimer's mice.

Lead pollution, even at very low levels, affects bee learning

Environmental pollutants have many deleterious effects on biodiversity, even at very low doses. Heavy metals are no exception. In this study published in the journal Ecotoxicology and Environmental Safety, scientists exposed honey bee hives to low doses of lead found in the environment, and demonstrated their impacts on the morphological development of workers and their learning and memory capacities.
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