Innovative clocks may make waking smoother
One wakes user during light sleep, others simulate sunrise, bacon smell
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Search for survivors: 48-hour window of opportunity
Updated 96 minutes ago 5/21/2013 9:23:58 PM +00:00 Search teams, including some with trained dogs, are scouring the rubble left behind by the monster tornado that flattened miles of homes, schools and businesses in Oklahoma Monday. While it's uncertain exactly how many people are still missing, rescuers are up against the clock to find survivors, experts say.
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Search for survivors: 48-hour window of opportunity
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