Word: pathways
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...problem interested Potrykus for a number of reasons. For starters, he was attracted by the scientific challenge of transferring not just a single gene, as many had already done, but a group of genes that represented a key part of a biochemical pathway. He was also motivated by complex emotions, among them empathy. Potrykus knew more than most what it meant not to have enough to eat. As a child growing up in war-ravaged Germany, he and his brothers were often so desperately hungry that they ate what they could steal...
...Rockefeller-sponsored meeting that Potrykus met the University of Freiburg's Peter Beyer, an expert on the beta-carotene pathway in daffodils. By combining their expertise, the two scientists figured, they might be able to remedy this unfortunate oversight in nature. So in 1993, with some $100,000 in seed money from the Rockefeller Foundation, Potrykus and Beyer launched what turned into a seven-year, $2.6 million project, backed also by the Swiss government and the European Union. "I was in a privileged situation," reflects Potrykus, "because I was able to operate without industrial support. Only in that situation...
Over the next several years, researchers can be expected to bring into increasingly sharp focus the enormously complicated molecular pathway of which beta amyloid and tau are just the most visible signposts, and in so doing they are likely to reveal a raft of new opportunities for therapeutic intervention. For example, a change in shape appears to be what makes tau go bad. Last year Davies and Harvard's Dr. Kun Ping Lu announced that they had found an enzyme that seemed to restore tau to its proper configuration...
...those who died outside the building. They are positioned on a slight rise leading to a scarred wall--all that is left standing of the building--and look down to a long black reflecting pool, three-quarters of an inch deep and flush against the surrounding granite pathway of stones salvaged from the rubble. They have the warm, pinto colors of the Southwest...
High water: Women cross an engulfed pathway to relative safety, raising their belongings above the floodwaters...