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Fast imaging in larval zebra fish has yielded the first neuron-level vertebrate brain-activity map. The resolution could help researchers understand how different regions of the brain work together
The flexible needles could help doctors deliver stem cells to broader areas of the brain with fewer injections. Such therapies are being investigated for Parkinson's disease, stroke and other neurodegenerative disorders
Fears of an immune response to replacement tissues have been overestimated, new research suggests, rejecting previous findings about possible side effects
Human excreta could be a powerful source of cells to study disease, bypassing some of the problems of using stem cells, such as the risk of developing tumors and difficulties in obtaining blood samples from children
The studies could help revamp treatments for the world's most deadly cancer, making them more specific to the mutation patterns
The data storage project represents the largest piece of nonbiological data ever stored in this manner
Women's third-trimester microbiota resembles that of people at risk of diabetes
The thinking behind an approach that has caused trouble in California
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