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Why do we age? It’s a question that has had scientists scratching their heads for decades, but finally, we are starting to get some answers. Here is the story so far. One of the oldest theories of aging is the damage-accumulation theory, proposed by August Weisman in 1882. Cells and organisms are complex systems with […]
Scientists studying how genetics impact brain disease have long sought a better experimental model. Cultures of genetically-modified cell lines can reveal some clues to how certain genes influence the development of psychiatric disorders and brain cancers. But such models cannot offer the true-to-form look at brain function that can be provided by genetically-modified mice. Even […]