The technique, called "stellar seismology", is becoming increasingly popular among astronomers because the sounds give an indication of what is going on in the stars' interior.

BBC: Team records 'music' from stars

And, Larry, when he was here at Harvard, would give you a guest lecture every year and he was very popular among students.

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There are over 100 Orion campuses across India, and the private courses are popular among prospective call center applicants in India as a resume booster to give them a competitive edge in the hiring process.

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Pro-bono projects have become popular among young professionals since they allow them to build their portfolios while they give back, Mr. Smith says.

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