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Mitt Romney won Super Tuesday's big prize of Ohio and five other states, but overall results were mixed, with Rick Santorum capturing three states and Newt Gingrich one. Romney won more delegates than Santorum but trailed among core GOP constituencies — Southerners and evangelicals.

Vladimir Putin says a strong military is needed to protect Russia's resources from foreign powers. Using strong anti-Western rhetoric, he promises to equip the army with new warplanes and missiles designed to penetrate the proposed U.S. anti-missile shield.

In large sections of America's farmland, new strains of weeds are making life miserable for farmers. They've developed resistance to the country's No. 1 weedkiller, Roundup. Now farmers face a choice: Do they go for yet another kill-all-the-weeds chemical, or go back to more complicated, labor-intensive ways of fighting weeds?

In baseball, there were always a fair complement of coaching characters: old cracker-barrel philosophers, feisty wise guys and even a few sardonic intellectuals. But the oddballs are diminishing — with the exception of Bobby Valentine of the Boston Red Sox.

Daily Beast and Newsweek editor Tina Brown highlights a book and an article on two titanic individuals at the center of political change: Russian President-elect Vladimir Putin and pro-democracy activist Aung San Suu Kyi of Myanmar.

Both Game of Thrones and The Killing drew a lot of attention during their first seasons, and both are back Sunday night to start a second year — one hoping to build on the momentum from some positive late-season buzz, the other hoping to overcome some negative buzz from last year's cliffhanger.

Do you think you'd be less stressed out if you took your dog to work with you? Science agrees. Employees with dogs were less stressed out than their coworkers, new research finds. But it works only if the dog is polite.

This mystery has plagued arachnologists for decades. William Eberhard and Daniel Briceno untangle the web question in a paper in the journal Naturwissenschaften. The answer has to do with spiders' oily, hairy legs.

In The Age of Insight: The Quest to Understand the Unconscious in Art, Mind and Brain, Nobel Prize-winning neuroscientist Eric Kandel writes of turn-of-the-century Vienna, where artists mingled with writers, scientists and physicians, and explains how the brain perceives a work of art.

John Calipari's detractors argue that he's less of a head coach and more of a head recruiter. But his success rests on the fact that he can honestly tell his potential players that he will prepare them for success in college — and then success in the NBA.