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Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Arizona Hispanics Poised To Swing State Blue

34 minutes ago
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Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Edit note: This report contains accounts of rape, violence and other disturbing events.

Sex trafficking wasn't a major concern in the early 1980s, when Beth Jacobs was a teenager. If you were a prostitute, the thinking went, it was your choice.

Jacobs thought that too, right up until she came to on the lot of a dark truck stop one night. She says she had asked a friendly-seeming man for a ride home that afternoon.

Jacobs says he gave her something in an old McDonald's cup — a drug — and as she was waking up the man announced that he was a pimp. Her pimp.

The Boston Citgo sign, all 3,600 square LED feet of which has served as the backdrop to Red Sox games since 1965, is now officially a "pending landmark."

Spanish Surrealist Salvador Dalí spent much of the 1940s in the U.S., avoiding World War II and its aftermath. He was a well-known fixture on the art scene in Monterey, Calif. — and that's where the largest collection of Dalí's work on the West Coast is now open to the public.

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Astronomers Say They've Discovered New Type Of Supernova

Mar 27, 2013
Originally published on March 27, 2013 7:30 pm

A group of astronomers believe they have found a new kind of "mini" supernovae that appear to share traits with other previously known types.

Until now, only core-collapse supernovae, the grand finale of stars approximately 10 to 100 times more massive than our sun, and Type Ia, which occur when certain conditions exist in binary (two-star) systems, were known to exist.

(Because of their highly predictable luminosity, Type Ia supernovae have long been used as "standard candles," much like distant lighthouses, to measure the distances to the galaxies.)

The new type, known as Type Iax, are fainter, less energetic and rarer than their cousins, write Ryan J. Foley, et. al in an upcoming edition of The Astrophysical Journal.

"A Type Iax supernova is essentially a mini supernova," says Foley, who is Clay Fellow at the Harvard-Smithsonian Center for Astrophysics. "It's the runt of the supernova litter."

The team has identified 25 examples of the new type of supernova. Compared to the already rare Type Ia supernovae, the new type is rarer still, according to the researchers.

"None of them appeared in elliptical galaxies, which are filled with old stars. This suggests that Type Iax supernovas come from young star systems," according to the Carnegie Institution for Science, where three of the paper's co-authors, Wendy Freedman, Mark Phillips and Eric Persson, hail.

But, like Type Ia supernovae, Type Iax also occur in binary star systems.

The Carnegie Institution for Science says:

"Based on a variety of observational data, the team concluded that a Type Iax supernova comes from a binary star system containing a white dwarf and a companion star that has lost its outer hydrogen, leaving it helium dominated. The white dwarf collects helium from the normal star.

"Researchers aren't sure what triggers a Type Iax. It's possible that the outer helium layer ignites first, sending a shock wave into the white dwarf. Alternatively, the white dwarf might ignite first due to the influence of the overlying helium shell."

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