Neuroscience

How synaptic vesicles accumulate glutamate

In the brain, neurons communicate via neurotransmitters, which trigger electrical signals in downstream neurons by binding and activating specific receptors. Neurotransmitters are released through the fusion of synaptic vesicles, ...

Oncology & Cancer

Change in breast density over time linked to cancer risk

Many middle-aged and older women get mammograms every one to two years to screen for breast cancer, as recommended by their doctors. A study by researchers at Washington University School of Medicine in St. Louis indicates ...

Surgery

AI offers tool to improve surgeon performance

When surgeons are trained, they usually need the supervision of more experienced doctors who can mentor them on their technique. That may be changing due to a new artificial intelligence system developed by Caltech researchers ...

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