The terrifying vulnerability of the U.S. military
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Lessons from the Great Pacific Garbage Patch
Confessions of a former TSA officer
Unemployment leading to suicides?
4 college savings mistakes even the most prepared parents make
What's behind Walmart's wage hike?
The U.S. economy grew by a sluggish 2.2 percent in the fourth quarter
Parts of the Northeast just weathered the coldest February on record
China's wild giant panda population is on the rise
Snapchat warns teens: 'Keep your clothes on!'
A day in the life of the president