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A 17-year-old British schoolboy spots an error in the data from International Space Station's radiation sensors.
Irish Travellers, a group facing much discrimination and inequality, is given formal ethnic status in Ireland.
An itinerant group known as "Travellers" was just given ethnic status by the Irish government. It is estimated there are around 30,000 Travellers in Ireland and up to 40,000 reside in the United States.