kristen dalgren, nbc news, chicago. >>> we have some more news for your health this morning. well, we all know this but we'll tell you again. kids, they often attract dirt and germs. did you know that? >> never. >> the blog a secure life did a science experiment, if you will, and this morning, we're breaking down a few of the grimiest kid items around your house. your baby stroller, gross. the pacifier, gross. their favorite plush toy. i know all about that. the diaper bag, of course. and the tv remote. don't get me started. >> how you feeling about this, adam? >> my house is constantly, you know, it needs to be wiped down because of the kids. >>> can you tell from a person's face whether they're rich or poor? apparently so. researchers from the university of toronto say peo actually tell if someone is richer or poorer than average by looking at a neutral face. researchers say this is due to the visibility of muscles that become etched to the face over time as a result of repeated life experiences so if you're smiling all the time, you have the laughing lines, right? that's w