NASA: Mars has resources critical to future space travel

Scientists say they have evidence that briny water may flow on the surface of Mars during the planet's summer months - a critical discovery that could influence current thinking about whether the Red Planet can support microbial life. Video: Reuters

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How to spot bowel cancer symptoms

In the last 30 years in Ireland, the number of bowel cancer cases under-50 has doubled, according to Bowel Cancer Ireland. Video: Rebecca Daly / Zara Morgan


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