Word: blanked
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Until Patricia Goldman-Rakic started delving into it, the most important part of the brain, the frontal lobe, was a veritable blank sheet. A gray, wrinkled chunk of tissue tucked behind the forehead and taking up about a third of the total brain mass, it is to the rest of the central nervous system what a CEO is to a modern corporation. It takes sensory data fed to it by the rest of the organization (smells, sounds, tastes, etc.) and decides what it all means and what should be done about it. It's largely responsible for our thinking, planning...
CHICAGO—I stood waiting while the man behind the desk talked on the phone, typing furiously. The emerging pages seemed blank, however, and his eyes were aimed at the wall in front of him. I wondered if he knew I was there, not wanting to interrupt...
...Blank months pass, entirely Gore-free. Then Gore is sighted in far-off lands, with beard. How weird. Never mind: It is time in the desert of obscurity, sackcloth, mere tourist raiment, monkish hirsutism...
...center of this storm is microscopic: A stem cell is, in essence, a blank cell, caught early in its development and capable, through manipulation, of becoming any type of cell scientists need. Those who champion research using embryonic stem cells believe new studies could provide critical help for patients suffering from diseases ranging from Alzheimer?s to diabetes to Parkinson?s. There is hope, as well, that stem cell research could be used to reverse nerve damage and spinal cord injuries...
...stem cell, scientists must find an embryo, or blastocyst (from umbilical cord tissue, a frozen sample from a fertility clinic, an aborted fetus, or, most controversially, from a cloned specimen) ideally a few days after fertilization. Researchers then extract stem cells from the blastocyst, and, they hope, use those blank slates to create new, potentially curative, cells...