Cody Taylor

Kristina at Science News writes “The RNA world hypothesis proposed 40 years ago suggested that life on Earth started not with DNA but with RNA. Now a team of scientists bolsters this hypothesis, having assembled RNA in the lab from a mixture that resembles what was likely the primordial soup. ‘Until now,’ Science News reports, ‘scientists couldn’t figure out the chemical reactions that created the earliest RNA molecules.’ The new work started the RNA assembly chemistry from a different angle than what earlier work had tried.”

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CWmike writes “Submitting to mounting legal pressure, Craigslist has announced that it will remove the Erotic Services category from its classified advertising Web site within seven days. The move comes just two and a half weeks after Jim Buckmaster, CEO of Craigslist, told Computerworld that the company had no intention of removing the category. While it’s taking down the category, it will be launching a new category called Adult Services, for which each posting will be manually reviewed before it appears. ‘Unsurprisingly, but completely contrary to some of the sensationalistic journalism we’ve seen these past few weeks, the record is clear that use of Craigslist classifieds is associated with far lower rates of violent crime than print classifieds, let alone rates of violent crime pertaining to American society as a whole,’ said Buckmaster in a blog post today. ‘We are optimistic that the new balance struck today will be an acceptable compromise from the perspective of the constituencies, and for the diverse US communities that value and rely upon Craigslist.'”

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