Telefonica deal to buy Brazil's Vivo falls apart

(AP) -- Spanish telecommunications giant Telefonica on Saturday pulled out of negotiations to acquire a euro7.15 billion ($9.3 billion) stake in Brazil's leading cell phone company Vivo.

Unearthing King Tet: Key protein influences stem cell fate

Take a skin cell from a patient with Type 1 diabetes. Strip out everything that made it a skin cell, then reprogram it to grow into a colony of pancreatic beta cells. Implant these into your patient and voilà! She's producing ...

New method revolutionizes study of metal-containing proteins

Metals and proteins are crucial partners in keeping organisms healthy and stable. And yet the extent to which this molecular metalloprotein team works at the cellular level is not known because the numbers, amounts and types ...

Apple goes low-tech to solve iPhone woes

Seeking to quell the fuss over reception on the new iPhone, Apple is applying a low-tech solution to a high-tech problem. The California gadget-maker is hoping a 29-dollar rubber-and-plastic case will put an end to the debate ...

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