Twitter: Public menace or global threat?

When pundits examine the merits of Twitter, the line of argument is generally framed from the perspective that nothing worthwhile can be captured in 140 characters or less.  There have even been studies (now...

Exotic Diseases in the U.S. May Rise

We know about Dengue Fever, West Nile Virus and Lyme Disease - but have you heard of Leishmaniasis Disease, Chagas Disease and/or Chikungunya Virus? Probably not, unless you've been to places outside of the U.S....