Scientists reveal details of calcium 'safety-valve' in cells

(Phys.org) —Sometimes a cell has to die—when it's done with its job or inflicted with injury that could otherwise harm an organism. Conversely, cells that refuse to die when expected can lead to cancer. So scientists ...

Optimism on Apple as stock splits

Apple shares dipped Friday ahead of a 7-to-1 stock split, with shares near their highest level since October 2012 amid optimism over the tech giant's prospects.

CIA joins Twitter, Facebook

The secretive US spy agency joined the world of social media Friday, and quickly had the Twitterverse talking.

Better tissue healing with disappearing hydrogels

When stem cells are used to regenerate bone tissue, many wind up migrating away from the repair site, which disrupts the healing process. But a technique employed by a University of Rochester research team keeps the stem ...

Thermal monitoring of volcanic activity from space

Data from the Meteosat satellite 36,000 km from Earth, has been used to measure the temperature of lava at the Nyiragongo lava lake in the Democratic Republic of Congo. An international team compared data from the Spinning ...

Facebook blocks rock band page at Pakistan govt request

Facebook has blocked the popular page of a liberal Pakistani rock band and others that criticise the Taliban at the request of the government, angering activists campaigning against censorship in the Islamic country.

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