Stem cells know where they want to go
Human stem cells have the ability to become any cell type in the human body, but when it comes to their destination they know where they want to go.
Cell & Microbiology
Jul 7, 2011
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07/07/2011
Control of gene expression: Mediator MED26 shifts an idling polymerase into high gear
Look up "transcription"—the copying of a gene's DNA into RNA intermediaries—in any old molecular biology text book, and it all seems very simple: RNA polymerase II, the enzyme that catalyzes the reaction, assembles ...
Cell & Microbiology
Jul 7, 2011
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Ancestry of polar bears traced to Ireland
An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of the last ice age ...
Plants & Animals
Jul 7, 2011
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WikiLeaks delays complaint against Visa, Mastercard: lawyer
WikiLeaks is delaying its complaint to the European Commission against credit card giants Visa and MasterCard in the hopes of reaching an out-of-court deal, the website's lawyer said Thursday.
Internet
Jul 7, 2011
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Giant Swedish space balloon fizzes out: space center
Swedish scientists were forced to halt a ground-breaking project Thursday to test the impact of stars when a balloon carrying an X-ray telescope began leaking helium, a space centre said Thursday.
Space Exploration
Jul 7, 2011
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Apple App Store downloads cross 15 billion mark
Apple announced on Thursday that more than 15 billion applications for the iPhone, iPad and iPod Touch have been downloaded from its App Store.
Software
Jul 7, 2011
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eBay buying Zong for $240 million
PayPal owner eBay said Thursday that it has agreed to buy mobile payments provider Zong for $240 million in cash.
Business
Jul 7, 2011
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Australia cuts number of firms liable to new tax
Australia has halved the number of companies needing to pay a contentious pollution tax from 1,000 to about 500, Prime Minister Julia Gillard said Thursday, stressing only big business will be hit.
Environment
Jul 7, 2011
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Big step forward for SKA radio telescope
The discovery potential of the future international SKA radio telescope has been glimpsed following the commissioning of a working optical fibre link between CSIRO's Australian SKA Pathfinder (ASKAP) telescope in Western ...
Astronomy
Jul 7, 2011
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Storms still casting shadow on last shuttle launch
(AP) -- Thunderstorms are still threatening to delay NASA's last space shuttle launch, set for Friday.
Space Exploration
Jul 7, 2011
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