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The San Diego Union-Tribune's Ruben Navarette makes a bad call in today's paper. I can't believe I'm defending Tom Cruise. Yep, that's a big mistake. Instead, Cruise kicked off a debate over a subject that a lot of people don't feel comfortable discussing: whether Americans are too quick to turn to prescription drugs and whether […]

The New York Times has a very interesting article on time travel and the possibility of paradox. The article is accessible even for those who are not sciencephiles, but there's one thing about it that troubles me. But what about killing your grandfather? In a well-ordered universe, that would be a paradox and shouldn't be […]