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2 articles

Science Square Jul 1, 2019

Science Square (Issue 130)

The hottest month on record for the planet Global Climate Report. NOAA National Centers for Environmental Information (http://www.ncdc.noaa.gov).…

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2003 Mar 1, 2019

Chlorination of Water

For nearly a century, chlorine has been used to disinfect drinking water. The use of chlorine in water…

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