MIT Whitehead Institute member Jonathan Weissman and collaborators developed a tool to reconstruct the family trees and individual states of cells in humans, revealing how blood cell production changes in old age.
WILLIMANTIC — Most of the deer on Nantucket Island, which has one of the densest deer populations in the Northeast, likely descend from two does that were introduced to the
The spread of damaged genetic material, the mitochondrial DNA, causes the symptoms reminiscent of Parkinson's disease and its progression to dementia.