Online interactions have positive effects for real-life communities

If you think Facebook, Twitter and other Web sites that foster online communication and interaction are merely vapid echo chambers of self-promotion, think again, say two University of Illinois professors who study computer-mediated ...

New insight in how cells' powerhouse divides

New research from the University of California, Davis, and the University of Colorado at Boulder puts an unexpected twist on how mitochondria, the energy-generating structures within cells, divide. The work, which could have ...

Team creates nano-magnets that could restore damaged nerve cells

Neurons are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the ...

BART ready for renewed protests after cyber attack

(AP) -- San Francisco's mass transit system prepared for renewed protests Monday, a day after hackers angry over blocked cell phone service at some transit stations broke into a website and posted company contact information ...

Bursting neurons follow the same beat, sometimes

A simplified mathematical model of the brain's neural circuitry shows that repetitious, overlapped firing of neurons can lead to the waves of overly synchronized brain activity that may cause the halting movements that are ...

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