If you’ve ever heard the rattle of a rattlesnake’s tail then you know it’s time to retreat quickly. But have you ever wondered how they make that sound? Are there little pebbles inside their tails that shake when they feel threatened? Watch this to find out and get a look at what’s inside their rattle.
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.