A new study finds that industry-certified particle masks are most effective at protecting people from volcanic ash, while commonly used surgical masks offer less protection.
Industry-certified masks offer better protection from volcanic ash exposure
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Gorillas, rhinos, lions and more will soon become extinct without immediate action
A report by 43 wildlife experts warns that without changes now, many of Earth's most iconic species will be lost forever.
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He's given a whole new meaning to "poached eggs."
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In our efforts to save animals at risk of extinction, we've saved some extraordinary places as well.
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