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A letter by scientist Francis Crick describing his discovery of the double helix shape of DNA has been sold for $5.3 million in New York, an auction house says.
UPI Almanac for Saturday, April 6, 2013.
One of the Nobel Prize medals awarded in 1962 for the discovery of the structure of DNA will be auctioned in New York City, Heritage Auctions in Texas says.
DNA, normally structured as a double helix, has been seen in a "quadruple helix" form in human cells and could be related to cancer, British researchers say.
A U.S. safety board said it was collecting evidence before deciding what enforcement actions are needed in response to last week's Gulf of Mexico oil blaze.
One of two workers missing after an explosion and fire on a Gulf of Mexico oil rig was found Saturday evening, the company said.
List of Nobel Prize in Physiology or Medicine winners:
UPI Almanac for Friday, April 6, 2012.
British energy company BP is facing five sets of complaints issued by U.S. regulators stemming from last year's oil spill in the Gulf of Mexico, an agency said.
Moving forward with oil and gas development safely is vital to regional energy security, the new director of U.S. safety and environmental enforcement said.
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