Continental passengers at Houston airport can now board planes by showing their cell phones or PDAs to security checkers; checkers scan rectangular bars on the cell phones’ or PDAs’ screens, which ...

The only time the state conducted such an assessment two decades ago, it found that undocumented Texans contributed more to the state’s economy than they cost the state.

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From mid-morning Sunday and for the rest of the day, our servers underwent routine maintenance, so we could not send our “Last Week’s Picks” and “World Roundup.” We have received many requests for ...

Algebraic Eraser algorithms rely on a large quantity of small numbers to stop digital pick-pocketing; technique increases processing speed without compromising security ...

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A comptroller’s report found that deporting the estimated 1.4 million undocumented immigrants living in Texas in 2005 would have cost the state about $17.7 billion in gross domestic product.