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Earth & Environment

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Dunkleosteus

STRONG SWIMMER  The armored, jawed fish Dunkleosteus was a top ocean predator around 380 million to 360 million years ago, during the late Devonian Period. 

bottled water pickup site in Flint, Mich.

WATER WOES  For years, residents in Flint, Mich., have had to rely on bottled water from water pickup sites (one shown) after corroded city pipes sent lead levels in tap water skyrocketing.

wildfire

BAD BURN  Wildfires such as this one, which burned almost 50,000 acres in Oregon and Washington in 2017, are one reason why the days with the worst air quality are becoming even worse in the northwestern United States.

Earth & Environment

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