Alarming levels of microplastics found in human brains
A new study finds that microplastics and nanoplastics accumulate at higher levels in the brain than in the liver and kidney.
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What the World Would Look Like if All the Ice Melted
raising sea level by 216 feet. Explore what the world’s new coastlines would look like. 8 min read This story appears in the September 2013 issue of National Geographic magazine. The maps here ...