Crows found able to distinguish between human voices

(Phys.org) -- Researchers at the University of Vienna have discovered that carrion crows are able to distinguish between familiar and unknown human voices. They also found, as they write in their paper published in the journal ...

Encrypted VoIP not as secure as it sounds

(PhysOrg.com) -- Linguistics researchers working with computer scientists at the University of North Carolina have shown that voice conversations over the Internet, even if they are encrypted, are not as secure as generally ...

For needy, cell phones can be free

An obscure federal program that helps poor people pay for phone service is entering the wireless era. Cell phone companies are offering the needy a bargain that the rest of us can only dream about: free service.

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