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Researchers develop beating, 3D-printed heart model for surgical practice - EurekAlert!

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Winter getting shorter in 80% of major US cities, new data shows. Researchers find that across 195 US cities, winters are on average nine days shorter than they were in 1970-1997, as the climate crisis progresses.

Astrocytes are more involved in cognition than researchers realized, at least when it comes to fear memory retrieval and extinction. Experiments in mice show that astrocytes dynamically track emotional state and help organize the neural activity patterns that represent fear.

Some pesticides can slip under natural protection into streams, researchers find - EurekAlert!

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