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r/worldnews: The discovery of a silver ring with an Arabic inscription in a Viking grave has added credence to the ancient accounts of Arab travellers in their encounters with the Vikings, and points to a fascinating trade and cultural exchange. by /u/i_love_hezbollah (23 mins. old) (reddit.com)
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r/science: Science AMA series. I'm Dr. Michael Noseworthy, a biomedical engineer, at McMaster University in Canada, doing research on how MRI can be used to understand tissue function. I'd be happy to tell you about it. AMA! by /u/DrMichael_Noseworthy (14 mins. old) (reddit.com)
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