What does it mean when soaps claim to kill 99.99% of germs?
- Author
- Dr Chris Smith
- Published
- Mon 31 Jan 2011
- Episode Link
- https://www.thenakedscientists.com/podcasts/question-week/what-does-it-mean-when-soaps-claim-kill-99-99-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? 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
