Featured series 
Tag: Chromatin
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Nation & World
Understanding how the intestine replaces and repairs itself
When working stem cells within the intestine are depleted, some types of mature cells can transform themselves into stem cells, replenishing the population.
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Nation & World
Beyond DNA
On a day when Harvard celebrated the accomplishments of the Human Genome Project, the Radcliffe Institute hosted a scientist whose work focuses not just on DNA, but on the mechanisms that control its expression.
