In honor of teacher appreciation week, the Houston Chronicle is seeking nominations for Houston's favorite teachers. Readers can vote on finalists the week of May 3.

Radiation risk can be measured, understood and controlled in ways that keep people safe, including from contaminated foods.

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While Google Chrome is a great overall browser, it is the extensions that let you truly personalize it according to your ...

Your iPhone is only as powerful as the apps you use—so how do you find the best ones in the crowded Apple App Store? We've ...

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