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Hey parents Trusty here. You know what I hear constantly from homeschool parents in the whosmarted community? Thank you for introducing us to ixl. I get it. My cousin homeschools her kids and raves about how much IXL helps. We're heading into that stretch where families are finishing the year strong and then summer hits with travel camps and shifting routines, and that's where IXL shines. IXL is an award winning online learning platform that fits seamlessly into homeschooling with interactive practice across math, language arts, science and social studies from Pre K through 12th grade. Everything's organized by grade and subject, so you quickly find what each kid needs. Kids get instant explanations and parents, you get clear Progress reports. Over 15 million students use IXL and it's proven to improve achievement in all 50 states. So make an impact on your child's learning. Who Smarted Listeners get an exclusive 20% off when they sign up today at www.ixl.com smartid. That's ixl.com SL smarted. Hey, smarty pants. Trusty narrator here. Back with another round of Smarty Q where you ask the questions and I answer them. Today we've got snakes, rockets, tangled hair, and daydreaming, so let's jump right in. Our first question comes from Margo, who asks, how do rattlesnakes rattle their tails? That is a great question, Margot. The first cool thing to know is rattlesnakes don't shake their tails against something to make that sound. Nope, the rattle is built right into the tail. At the end of a rattlesnake's tail are a bunch of hollow, dry segments made of keratin, the same material your fingernails are made of. Every time the snake sheds its skin, it adds a new segment to its rattle. When the snake vibrates its tail super fast, sometimes up to 90 times per second, those segments bump into each other and create that buzzing, rattling sound. And here's an extra cool fact. Rattlesnakes don't use their rattle to attack. They use it as a warning. It's basically saying, hey, I'm down here. Please back away. Our next question comes from Grayson, who asks how much 3D printing material is used per year? Oof. That's a big modern question. 3D printing is being used more and more every year to make toys, tools, car parts, medical devices, and even houses. Because it's growing so fast, it's a little tricky to give an exact number, but experts estimate hundreds of thousands of tons of 3D printing materials. Things like plastic, rosin and Metal powders are used around the world each year, and that number keeps increasing as more industries start using 3D printing to build things faster and more efficiently. Okay, Question three comes from Gregory P. Who asks why do dogs chase balls and cats chase laser pointer dots? Ah yes, the classic pet behavior question. Dogs chase balls because it taps into their natural instincts. Long ago, dogs ancestors hunted animals that ran away quickly. So when a ball is thrown, their brain says, that thing is moving. Go get it. Dogs have also been trained by humans for generations to fetch so many of them actually enjoy bringing the ball back too. Cats, on the other hand, are hunters of small, fast moving prey like mice and insects. When they see a laser pointer dot zipping around, it triggers that same hunting instinct. Their brain is basically saying, tiny moving thing, must catch it. The funny part? Cats can get a little confused because they can never actually catch the laser dot. But whether it's a dog chasing a ball or a cat chasing a dot, it all comes down to instincts and the thrill of the chase. All right, three questions down, more coming up, including why your hair gets tangled. We'll get to that right after this quick break and a word from our advertisers. Attention smarty parents. Do you run your family off sticky notes, random texts, and crossed fingers? Then you need the Skylight calendar. It's a digital calendar that syncs with Google, Apple, Outlook and more, becoming the central information hub for your family now. I love using the Tasks feature on who Smarted? It means no more Wait, what am I supposed to be doing? And for smarty pants, checking off their tasks makes it fun and rewarding to do chores like brushing teeth and homework. Skylight also simplifies grocery lists, meal planning, and never ending pickups and drop offs. Skylight is so confident you'll love their calendar that they offer 100% money back, no questions asked for four full months. Families are better when they're working together. Right now, Skylight is offering our listeners $30 off their 15 inch calendars by going to myskylight.com smartit go to myskylight.com smarted for $30 off your 15 inch calendar. That is my S K Y L I G H T.com smarted. You know what I love? TaskRabbit. When we moved our whosmarted office, how did we find our mover taskrabbit When I've got errands piling up and zero time to run them? Task Ikea furniture assembly that's about to drive me mental, I Call me a tasker. I've been blown away by how helpful and awesome they are every single time. TaskRabbit connects you with skilled taskers in your area for moving furniture, assembling, home repairs, mounting a tv, yard work, you name it. You can search based on cost, skill set, availability and past client reviews, and these taskers have put in the rest. Over 3.4 million pieces of furniture assembled 700,000 home repair one and a half million moves and counting. I love TaskRabbit, smarty pants, and you will too. When life happens, your to do list grows. Get ahead of it now and get $15 off your first task@taskrabbit.com or on the TaskRabbit app using promo code Smarted Taskers book up fast, especially for same day tasks. So book trusted home help today. 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