“It’s really exciting to see the instrument just working as expected,” said Xiong Liu, the deputy mission director and a physicist at the Center for Astrophysics run by Harvard University ...

PHOTO Walter Scriptunas II/Center for Astrophysics I Harvard & Smithsonian “Our TEMPO slogan is ‘it’s about time,’ which hints at TEMPO’s ability to provide hourly air pollution data,” said Xiong Liu, ...

Here, too, TEMPO will be a boon, said Xiong Liu, the project’s lead researcher, based at the Harvard and Smithsonian Center for Astrophysics, in an email to Gizmodo. “There are a lot of gaps b ...

It doesn't take much to get the so-called Twitterati riled up. Every day Twitter users around the world are virtually guaranteed to get upset about a particular subject and take to the social ...

What the Study Found Xiong and Liu discovered that public opinion on Twitter often evolves rapidly and levels off quickly into an ordered state in which one opinion remains dominant. In true ...