JIM TEDDER: Summertime in America: ice cream, baseball games, and, yes, (blip blip blip) fireflies at the close of another day.

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CHRISTOPHER CRUISE: This SCIENCE IN THE NEWS was written by Jerilyn Watson and Jim Tedder, who you also heard on our program. Our producer was June Simms. I’m Christopher Cruise.

BOB DOUGHTY: And I’m Bob Doughty.Visit us at voaspecialenglish.com, where you can find transcripts and MP3s of our reports. Join us again next week for more news about science in Special English on the Voice of America.