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EntertainmentMasks and things to know if you do not want to harm yourself
The fact is, fabric masks are the least effective but the most used type of dust filter!Measures to protect the body from air pollution
Air pollution is a common threat to the community, taking place not only in dusty cities like Beijing (China), Mumbai (India) and Los Angeles (USA), according to the Huffington
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Why did the ancient Babylonian civilization perish? Was it because they considered 'that thing' a daily meal?
Just discovered a 72km 'tear in the Earth', the world's second largest country is in fear of a tsunami attack
Top 7 facts about the hottest place in the world, where you can fry eggs at outdoor temperature
The Qing Dynasty collapsed, what surname did 20,000 royal descendants change to to integrate into the new era?
After 389 days in the Arctic, costing more than $160 million, hundreds of scientists brought back bad news: What was it?
How long does it take to fall in love with someone?
How much silver has ever been discovered in the world?
How does an atomic bomb work?
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