Network with other researchers and interesting individuals using the 'Follow' option;
Keep updated on news and events posted by professional organizations, your institution and various news channels;
Discover what's being discussed at conferences, talks and events by following 'Hashtags' (#);
Obtain information or question using 'crowd sourcing' techniques (brainstorming online) by using 'RT';
Publicize and share your research findings which you have presented at a conference written about in a journal pr on your blog or spoken about at your institution; and
Promote yourself - Twitter can be used to find research posts & projects you can work on and collaborate on with other like-minded individuals.