GPS devices have been used to crack a number of criminal cases across the nation. The prevalence of such systems in cars and cell phones to track suspects.
New findings show that ancient Brazil was a bustling urban center before the Europeans got to it. The cities, which lasted for roughly 1000 years, incorporated large plazas and artificial ponds for fish farming into their urban design.
Scientists were recently able to 'reprogram' cells -- opening up new possibilities to treat diabetes, heart and brain defects.
Subliminal messages actually do work some of the time. The first evidence that the technique can be successful was released yesterday.