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...Committed - and to a certain extent, Powell's Cleaving - demonstrates the curse of the conversational writer. I confess to having found EPL tedious at times and to struggling with the fortuitous arrival of true love at the end of Gilbert's year of self-discovery. (In Committed, she pokes fun at herself, quoting her sister Catherine's response to her gushy e-mails from Bali: "Yeah, I was planning to go to a tropical island this weekend with my Brazilian lover, too ... but then there was all that traffic.") There was no denying, however, that she was a vibrant woman...
...buying in bulk? In some cases. I've done a lot of research at wholesale clubs - Costco, BJ's, and Sam's and did a lot of price comparisons. What I found is that it makes a lot of sense to buy in bulk when you're buying meat and produce. There were also some items that were less expensive to buy at the wholesale club than the grocery store, even when the grocery store has it on sale. My own personal items were things like egg substitute, frozen orange juice concentrate, and boneless chicken breasts that are individually frozen...
...looking for Earthlike planets around other stars - places about the size and temperature of our own planet, where life could in theory be found - it might seem like a letdown to stumble instead on a world bigger than Jupiter, hotter than molten iron and, with a density like that of Styrofoam, the most insubstantial planet ever seen. But when NASA astronomer Bill Borucki stood before a packed audience at this week's meeting of the American Astronomical Society in Washington to announce the discovery of Styrofoam World, along with four other huge, hot planets, he didn't seem even slightly...
...boys who had overeaten died an average of six years earlier than the grandsons of those who had endured a poor harvest. Once Bygren and his team controlled for certain socioeconomic variations, the difference in longevity jumped to an astonishing 32 years. Later papers using different Norrbotten cohorts also found significant drops in life span and discovered that they applied along the female line as well, meaning that the daughters and granddaughters of girls who had gone from normal to gluttonous diets also lived shorter lives. To put it simply, the data suggested that a single winter of overeating...
...Make a Better Mouse As momentous as epigenetics sounds, the chemistry of at least one of its mechanisms is fairly simple. Darwin taught us that it takes many generations for a genome to evolve, but researchers have found that it takes only the addition of a methyl group to change an epigenome. A methyl group is a basic unit in organic chemistry: one carbon atom attached to three hydrogen atoms. When a methyl group attaches to a specific spot on a gene - a process called DNA methylation - it can change the gene's expression, turning it off or on, dampening...