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.
In other words, half of all Facebook users have more than 200 friends, and half have less than 200. Younger users tend to have significantly larger friend networks than older users: 27% of 18-29 year old Facebook users have more than 500 friends in their network, while 72% of users age 65+ have 100 friends or fewer.