
Police agency’s explosive detection dog unit can now track suspicious odours in large crowds
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Police agency’s explosive detection dog unit can now track suspicious odours in large crowds
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The risk of crossing climate tipping points — a term that spans melting ice sheets, thawing permafrost, disruption of monsoons, coral bleaching, boreal forest loss and the degeneration of the…
Last week, residents of Birmingham, Alabama, were informed that their drinking water would no longer contain fluoride. Then came a twist: It turned out that their water utility had, without…

