Property News · November 23, 2016

Why do bathroom cleansers only kill 99.9% of germs not all of them?


The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific conceptsAll bathroom cleansers say they can kill 99.9% of known germs. What is this one-in-1,000 germ that has a charmed existence?Dennis Hawkins, Leominster, Herefordshire Continue reading…

Source : theguardian.com
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