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Why lead went from household staple to dangerous toxin

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Lead has been used in pipes and plumbing dating back to ancient times, but its role as a public health hazard only emerged in recent decades. Continue reading

Lionfish-zapping robot offers solution to invasive species

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Invasive lionfish have devastating effects on native species and ecosystems in the Western Atlantic Ocean and Caribbean Sea, but robotic technology offers a new way to stem their spread. Continue reading

Controversial soda tax could help fund pre-K in Philadelphia

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The city of Philadelphia will consider a controversial way of funding pre-K by creating a 3 cent tax on every ounce of sugary soft drink sold in the city. Continue reading

Food and drink labels will more accurately report sugar

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The Food and Drug Administration hopes to cut down on high rates of obesity and diabetes across the country by redesigning the labels that appear on food and drinks. Continue reading

Mount St. Helens ecosystem rebuilds 36 years after volcanic eruption

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Thirty-six years ago on Wednesday, Mount St. Helens in southern Washington state erupted, laying waste to more than 200 square miles of surrounding forest.
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