Word: bone
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Dates: during 1990-1999
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There's a human liver sitting in a lab dish in Madison, Wis. Also a heart, a brain and every bone in the human body--even though the contents of the dish are a few cells too small to be seen without a microscope. But these are stem cells, the most immature human cells ever discovered, taken from embryos before they had decided upon their career path in the body. If scientists could only figure out how to give them just the right kick in just the right direction, each could become a liver, a heart, a brain...
...stem-cell controversy by making clever use of ordinary cells. Today a machinist in Massachusetts is using his own cells to grow a new thumb after he lost part of his in an accident. A teenager born without half of his chest wall is growing a new cage of bone and cartilage within his chest cavity. Scientists announced last month that bladders, grown from bladder cells in a lab, have been implanted in dogs and are working. Meanwhile, patches of skin, the first "tissue-engineered" organ to be approved by the U.S. Food and Drug Administration, are healing sores...
FLESH AND BONES. Treating bone cells right is what Charles Vacanti, an anesthesiologist and director of the Center for Tissue Engineering, has been doing at the University of Massachusetts Medical Center in Worcester. When that machinist lopped off the top of his thumb, Vacanti took some of the victim's bone cells, grew them in the lab and then injected them into a piece of coral fashioned into the shape of the missing digit. "Coral's got lots of interconnected channels for the bone cells to grow in," says Vacanti. It also degrades as bone replaces it. The patch...
Speaking of cattle, it's pre-frosh season. Fold out those futons and bone up on the history of the Science Center; they're back. Judging by the anal-retentiveness of this year's potential admits (e.g. one high schooly Thayer guest allegedly broke out the custom-made business cards as an icebreaker), the class of '03 will likely cause a mad rush for ArtCarved's "Epic" line...
...Speaking of cattle, it's pre-frosh season. Fold out those futons and bone up on the history of the Science Center; they're back. Judging by the anal-retentiveness of this year's potential admits (e.g. one high schooly Thayer guest allegedly broke out the custom-made business cards as an icebreaker), the class of `03 will likely cause a mad rush for ArtCarved's "Epic" line...