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Human cells are often compared to factories, filled with microscopic machines that transport supplies, remove waste, generate energy and guard against intruders.
Though much is known about how these factories work, many parts remain mysterious. Scientists have long noticed, for example, that certain proteins and molecules cluster together to form tiny droplets, they just didn t have many clues as to why.
That was, until recent studies suggested the clusters now called biomolecular condensates are important tools for regulating cell activities. And if they re incorrectly put together, the thinking is they may malfunction and give rise to a variety of diseases, from ALS to cancer.