It's a #hashtag takeover

The # is having a moment. No longer just a pound or number sign, it's been born again on Twitter as a way to link tweets of the same topic or add a quick quip.

MU researchers develop advanced 3-D 'force microscope'

Membrane proteins are the "gatekeepers" that allow information and molecules to pass into and out of a cell. Until recently, the microscopic study of these complex proteins has been restricted due to limitations of "force ...

NASA rolls out rocket for Thursday's ISS cargo launch

With the space station cooling system hobbled and a commercial cargo launch waiting in the wings, NASA Tuesday prepared all options but said no decision had yet been made on whether spacewalk repairs would be needed.

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