In this extra science episode, we answer the questions: Do cats and dogs have the same organs? How do cats balance so well? Where does lightning come from? How are medicines made, and how do they (and poisons) affect the body? and How do markers work? 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. ❤️ 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.