Tips for Washing Produce. Keep in mind that produce is a raw product, grown in dirt, which is handled by lots of people before it ever gets into your kitchen. Bacteria can be transferred from dirt residue, or from any of the people handling the produce before and after it arrives in the supermarket. To ensure the safety of your produce, including organic produce, it's important to wash it well, using proper technique, experts say.
Devlin explains: The birthday problem asks how many people you need to have at a party so that there is a better-than-even chance that two of them will share the same birthday. Most people think the answer is 183, the smallest whole number larger than 365/2. In fact, you need just 23.
How many unique and individual people does the average person see in their lifetime? I remember seeing an ad some years ago that says by the time one is 20 he would have meet 3000 people. If that is true, 3000 over say an average life time of 80 years a person would have meet 12000 people. Of course we have to define what 'meet' is. Also people travel at different rates, that is a person who travels often has more opportunities to meet new people than one who stays in the same place.