239584-Mike-Massimino-Is-The-First-Person-To-Use-Twitter-In-Space
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Astronaut Mike Massimino became the first human to tweet from space on his final trip to repair the Hubble telescope. It was no contest, however, that he recently also became the first astronaut to reach one million followers on Twitter (@Astro_Mike).

Who will be the first chemist to have 1 million followers? Measuring things by twitter is silly, but still – it’s encouraging.