In this episode, we start to learn about viruses. Viruses are extremely small and can only be seen with a special microscope. Even though they are small, they can have a very big impact on our bodies. We learn about this topic by following a story with Bernice and Papa Bear as they learn all about it. Sleep Tight!, Sheryl & Clark❤️👂🔬 --- 📢 Have an interesting science topic you would like investigated? Send us an email at [email protected] and we may feature it in an upcoming show. 👉 First time listening to Sleep Tight Science? Please follow us or listen on Spotify. 📻 Listen to our podcast on Storybutton, the device that makes it easy for kids to listen to podcasts without using a screened device. Get yours at Storybutton.com ❤️ We would love to hear from you, reach out to us via email.  --- About Sleep Tight Science Sleep Tight Science is an engaging (but not too engaging) bedtime show for the whole family that answers the questions kids have about science. Each episode explores a fascinating topic in science and technology, from the mysteries of outer space to the wonders of the human body. Sleep Tight Science is the perfect bedtime companion for curious minds of all ages. Have an interesting science topic you would like featured? Send us an email at [email protected], and we may feature it in an upcoming show. See omnystudio.com/listener for privacy information.