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Using Dogs to Detect the Scent of Ovarian Cancer
Researchers are hoping a dog’s extraordinary sense of smell can play a role in creating a new test that detects ovarian cancer in tissue samples.
Protesters march against Trump-Putin summit in Helsinki00:55
Watch Paris erupt in celebration after World Cup win01:04
PM May on Trump's Brexit advice: He told me to 'sue the EU'01:11
Zoo officials: ‘He’s just a normal jaguar’00:39
Trump faces protesters on the golf course00:45
WATCH: President Trump walks in front of Queen Elizabeth II01:02