It's been one month since a pair of bombs exploded near the finish line of the Boston Marathon, killing three and wounding more than 260. NPR's Joel Rose returned to the scene today and found Bostonians observing the somber occasion with little fanfare.
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Crew members unload a catch of sockeye salmon at Craig, Alaska, in 2005. Researchers say fish are being found in new areas because of changing ocean temperatures.
Climate change is gradually altering the fish that end up on ice in seafood counters around the world, according to a new study.
"The composition of the [global] fish catch includes more and more fish from the warmer areas, and cold-water fish are getting more rare, because the temperatures are increasing," says Daniel Pauly at the University of British Columbia, a co-author of the study.
Scientists say they have, for the first time, cloned human embryos capable of producing embryonic stem cells.
The accomplishment is a long-sought step toward harnessing the potential power of embryonic stem cells to treat many human diseases. But the work also raises a host of ethical concerns.
Credit Erik Hill/Anchorage Daily News / MCT/Landov
A family friend posts fliers after Samantha Koenig's disappearance in 2012. Koenig's father is now an advocate for a mandatory national missing persons database.
Credit Daysha Eaton / KSKA
A map at the Anchorage Police Department tracks the travels of confessed killer Israel Keyes. Investigators say the lack of a unified missing persons database is frustrating efforts to identify other potential victims.
A serial killer who committed suicide in an Alaska jail last year confessed to murdering at least 11 people across the country. But Israel Keyes didn't name names, and investigators trying to figure out who he killed are running into a major stumbling block: There is no unified, mandatory national database for missing persons.
Vampire Weekend's third album is titled Modern Vampires of the City. Singer Ezra Koenig (far left) says he sees it as the closing chapter of a trilogy.
Etrat Kazemi (center) registers her candidacy for the upcoming presidential election in Tehran, Iran, last week. More than 700 people have registered to run in the June 14 election.
Credit Behrouz Mehri / AFP/Getty Images
Former Iranian President Ali Akbar Hashemi Rafsanjani (center) waves as he registers his candidacy for the upcoming presidential election at the interior ministry in Tehran, May 11. Rafsanjani has been isolated since massive street protests in 2009 after the disputed re-election of President Mahmoud Ahmadinejad.
Credit Behrouz Mehri / AFP/Getty Images
Ahmadinejad (center right) has endorsed top adviser Esfandiar Rahim Mashaei (center left) for president.
Nearly 700 presidential hopefuls have thrown their names into the ring for Iran's June 14 presidential elections. But two last-minute entrants have altered the shape of the already-chaotic race: a former president once dismissed as a has-been and Iran's chief nuclear negotiator.
The University of Memphis baseball team plays its final home game of the season Tuesday. In addition to rooting for the players, Memphis fans will cheer for someone else: batboy Stan Bronson Jr.
