Word: complexities
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Dates: during 1990-1999
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...Primary Care Physicians, the text is somewhat technical. However, it contains a lot of information useful to the layperson as well. The descriptions of the simple tests used to measure a person's cognitive ability--for example, drawing a clock face--are particularly good at demystifying the often complex process of diagnosis. You can order the guide for $5 ($3 if you're a member of the A.M.A.) by calling...
...Evan Snyder, a neuroscientist at Harvard Medical School and Children's Hospital in Boston. "I've been burned too many times by categorically ruling something out. And yet I can't imagine that 20 years from now human-brain transplants will be possible. The connections required are just too complex; they number in the millions. But the future of brain-cell transplants--that's another matter...
...fish and reptiles, but there was still no evidence that evolution had passed on this ability to the human brain. Indeed, most neuroscientists wouldn't even entertain the possibility of new cell growth in the human brain on the grounds that any additional cells would disrupt the brain's complex wiring...
...Snyder's report that same month of stem cells in the fetal human brain--has stood neuroscience on its head, so to speak. As has the latest finding, announced last month by researchers at Princeton, that adult macaque monkeys are constantly growing new cells in the highest and most complex area of the brain, the cerebral cortex. Snyder is now flush with confidence that neuroscience will ultimately cure many, if not all, diseases of the human brain. "By the year 2020 I hope we will have an active way of treating damaged brains. If we can further understand brain-cell...
...might think that, knowing what causes greenhouse warming, it would be an easy matter to predict how hot the world will be in the next century. Unfortunately, things aren't that simple. The world is a complex place, and reducing it to the climatologist's tool of choice--the computer model--isn't easy. Around almost every statement in the greenhouse debate is a penumbra of uncertainty that results from our current inability to capture the full complexity of the planet in our models...