Episode 133
What does it mean when soaps claim to kill 99.99% of germs?
Some hand washes claim to kill 99.99% of all germs. What do these advertising slogans really mean? Would two hand washes kill 100 per cent of all germs?
Question of the Week, from the Naked Scientists
January 31, 20114m 1s
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Show Notes
Some hand washes claim to kill 99.99% of all germs. What do these advertising slogans really mean? Would two hand washes kill 100 per cent of all germs? Plus, we ask if sending an e-card is really more environmentally friendly than a paper one. Like this podcast? Please help us by supporting the Naked Scientists
Topics
cgermsnaked scientistskitchen science