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...reason for the difference remains only vaguely understood. Environmental factors such as smoking, stress and regular exercise all seem to influence the rate at which our cells age. Now, for the first time, researchers have found a genetic link to cellular aging - a finding that suggests new treatments for a variety of age-related diseases and cancers. (See TIME's Health Checkup "How to Live 100 Years...
Rather than attempt holiday fare themed to U.S. Commanders in Chief (Vince Vaughn as Abe Lincoln? Denzel Washington as George Washington?), director Garry Marshall found an ensemble romantic-comedy script, similar to the 2003 Brit film Love, Actually, and assembled an A-list crowd of actors: Jamie Foxx and Queen Latifah, Julia Roberts and her niece Emma, two Jessicas (Alba and Garner), two baby Taylors (Lautner and Swift) and prime dudes named Ashton, Bradley and Topher, with 75-year-old Shirley MacLaine added for the senior set. (Marshall is also 75; kitsch knows no age barriers...
...Stephen Thackeray, an expert on lake ecology at the United Kingdom's Centre for Ecology and Hydrology, has combed through observations of more than 700 species of fish, birds, mammals, insects, amphibians, plankton and a wide variety of plants across the U.K. taken between 1976 and 2005, and found a consistent trend: more than 80% of "biological events" - including flowering of plants, ovulation among mammals and migration of birds - are coming earlier today than they were in the 1970s...
...differences in the pattern emerged when scientists looked at species at different levels of the food chain. As part of the analysis, says Thackeray, "we grouped these trends according to organisms' positions." What they found was that the changes in biological events were greater toward the bottom of the food chain than they were at the top. (See the top 10 invasive species...
...animals kept by private owners as pets, sometimes in terrible conditions. In 2003, a 31-year-old man in New York City was arrested after police discovered he was keeping an adult tiger (and an alligator) as pets in his Harlem apartment. Worse, in 2001, three tigers were found caged in the backyard of a Texas mobile home - authorities discovered the animals only after one escaped and killed a three-year-old boy. "There could be a tiger across the street from you and no one would know until something happened," says Allan. (Read about Chinese tourists in Taiwan...