Word: geneses
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To that end, Pizzuto is doing everything she can to keep her brain, as well as the rest of her body, in top shape. The odds are decidedly in her favor. For one thing, she's blessed with good genes. But she also finds fulfillment in her painting, is active...
Several studies have found that folks who regularly engage in mentally challenging activities?like reading, doing crossword puzzles or playing chess?seem less likely to develop dementia later in life. The difficulty comes in figuring out whether their good fortune is a direct result of their leisure activities or whether...
Memory Pharmaceuticals in Montvale, N.J., for instance, is developing drugs that boost the expression of genes essential to shoring up the connections among neurons?the physical process that is thought to turn immediate experiences into long-term memories. Cortex Pharmaceuticals in Irvine, Calif., meanwhile, is testing compounds that accomplish something...
Growing large batches of live virus, however, is a tricky business, and some scientists are turning to genetic engineering to improve the output. Tweak some genes, and you can make a virus that grows more easily in cell cultures. Tweak others, and the virus becomes a better target for the...
But all these methods are just stopgap solutions, since a full-fledged flu pandemic would kill millions of people before the vats made enough vaccine to meet demand. Ultimately, vaccine makers may need to go straight to the source: the flu virus' genetic code. By extracting snippets of viral RNA...