How to Make a Disinfectant Against Covid-19
The coronavirus that causes Covid-19 may survive for several days on some surfaces. Estimates of its life span vary, but the virus can clearly hang around long enough to make disinfecting frequently touched surfaces a priority. Normally, disinfectants, like Lysol and Clorox wipes, are available and would do the trick in cleaning …
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Black boxes: health warning or profit warning?
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