Are your kids wondering: How do jellyfish sting? This question came from Cristal, a student from the United States. It's answered by Esther Ikoro, one of our new Mystery Guides. Like, share, and vote on the next question here: https://mysterydoug.com/vote | Mystery Doug

Are your kids wondering: Which animal has the biggest heart? This question came from Husam, a student from the United States. Like, share, and vote on the next question here: https://mysterydoug.com/vote | Mystery Doug

Are your kids wondering, "Why do we call them donuts?" This question came from Connell... Like and Share this video, then vote on next week's question here: https://mysterydoug.com/vote | Mystery Doug