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Greece and Russia dominate the G-7 summit 2-day talks

Greece and Russia dominate the G-7 summit 2-day talks

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GOP candidates take different stances on national security

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Turkish election ushers in uncertainty

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News Wrap: Former SC cop indicted for black suspect’s murder

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PBS News Hour

Why isn't there a better test to detect Ebola?

In Sierra Leone, health care workers use infrared thermometers to monitor those who may have come in contact with Ebola. It takes 21 days before they can be deemed virus-free. That’s why researchers are trying to create more precise infection detection. In the second in the series, science correspondent Miles O’Brien looks at the efforts to create faster, more reliable testing for the virus.
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