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Dec 22 2014 - 3:00pm

Security agents should chat more and watch less, according to a new study.

Dec 22 2014 - 11:45am

Why is the winter's coldest day usually more than a month away?

Dec 19 2014 - 2:15pm

Mathematical model suggests crops can have a noticeable effect on power generation.

Dec 19 2014 - 3:15pm

How nodding your head in sync with a group could increase your productivity.

Dec 16 2014 - 3:15pm

Turning your smartphone into a useful medical device.

Dec 11 2014 - 3:30pm

The extraordinary way a kangaroo uses its tail.

May 21 2014 - 11:30am

It's time for deniers of human-caused global warming to stop using an old magazine story as ammunition against the consensus of today's climate scientists.

Jan 27 2014 - 4:30pm

Experts are working to develop evidence-based ways to measure anti-terrorism efforts.

Oct 24 2013 - 1:45pm

The Story of Modern Single-Streaming Recycling