Smartphones to rescue for lost cats, grandmas

Lost your cat? Your grandmother? Or are you injured in a car crash, unable to call for help because your phone battery is dead? Never fear, a mobile solution is near.

World population to hit 10 bln, but 15 bln possible: UN

The world's population of seven billion is set to rise to at least 10 billion by 2100, but could top 15 billion if birth rates are just slightly higher than expected, the United Nations said on Wednesday.

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