Weekly roundup — Things we don't know (but should)
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We know now that pigs can express their happiness (or sadness) vocally. But did you know that those emotions can be manipulated - by music? Also, have you ever heard of endometriosis? And where did 'Lyme disease' get its name?
We now have the technology to analyze any liquid on planet Earth — to verify its authenticity. Is that red wine from Bordelais or Beaujolais? This AI can tell you without slurring a word.