The day of the Boston Marathon bombings scored lower on the index than any other day since measurements began nearly 5 years ago.
The day of the Boston Marathon bombings scored lower on the index than any other day since measurements began nearly 5 years ago.
A trending hashtag on twitter lets researchers reveal the lighter side of scientific methodology.
More than half of pharmaceutical companies on Twitter use more than one handle.
Epidemiologists consider how social media could be harnessed to predict disease outbreaks.
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