Smithsonian Magazine on MSN52m
Ancient Romans Breathed in Enough Lead to Lower Their IQs, Study Finds. Did That Toxin Contribute to the Empire’s Fall?Using Arctic ice core samples, researchers estimate silver mining and smelting released enough lead during the Pax Romana to cause a 2.5- to 3-point drop in IQ ...
President-elect Donald Trump on Tuesday suggested he would consider using military force to gain control of the Panama Canal and Greenland, and "economic force" to acquire Canada.
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