Reporting in Science, two teams of scientists say they were unable to replicate the results of a 2010 study claiming to have found 'alien life' on Earth--a bacterium that could build its DNA using arsenic. Science journalist Carl Zimmer talks about how the controversy played out online, and how science corrects itself.
Melissa Block talks with Joe Drape of The New York Times about his coverage of horse racing. He says the Triple Crown contender "I'll Have Another" had prior medical problems long before it was forced to drop out of the Belmont Stakes.
Beach-goers are seeing more sharks off the coast of Cape Cod, and experts say that is not surprising. The sharks follow their food, seals, to that part of the Massachusetts coast. Several sharks had been tagged by researchers, and some have already reappeared this year.
Melissa Block speaks with marine biologist Dorris Welch, who is co-owner of Sanctuary Cruises in Monterey Bay, Calif. She says blue whales come and go throughout the summer, but this year they are coming closer to shore and in bigger numbers. She believes it's because of the abundance of krill available.
To kick her 10-year habit, Tori is leaving home for a small island — theoretically a no smoking island. Home is an Indonesian zoo and Tori is an orangutan. The Guardian reports, she learned to smoke imitating visitors, who tossed cigarette butts into her cage.
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