A new 3D protein structure helps researchers to better understand the rapid action of neurotransmission.
Sweet tasting foods don't only trigger the taste buds, they also switch on a neurological pathway that begins in the gut. In the intestines, signals of sugar ingestion travel to the brain, sparking an appetite for more sweet foods. However, this pathway only responds to sugars, not artificial sweeteners.
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Using machine learning, researchers have created a comprehensive brain map that links different groups of neurons to specific behaviors in fruit fly brains. The study, published in Cell, reports the AI used more than 225 days of video footage to help create the map. Left in human hands, the work would have taken an estimated 3,800 years to complete.
Restricting calories and eating only during the most active part of the day helped extend the lifespan of mice.
Glial cells and radial astrocytes might control the decision to give up swimming against the current in Zebrafish.