Perhaps because Twitter has not been especially popular with scientists, it is difficult to find apps which are specifically advertised for use by scientists. However if we consider the lifestyle and career of a scientist or a technician, there are a host of apps that might be useful and/or appealing — at least at the geological or psychological levels. The following highly-rated Twitter apps — ranging from the most practical to the most playful — are divided into categories, providing links so you can sign up for these free services immediately. [click to continue…]