Every wonder why you get itchy? What is happening inside our bodies that make us scratch? Watch this Life Noggin video to learn the science behind that scratchy feeling. In the comments section of this post, write what you liked about this video and explain in your own words why we itch.
Imagine going to a birthday party and stuffing your mouth with handfuls of snack foods and candy and extra heapings of delicious ice cream cake. Ever wonder what would happen if you went to bed without brushing your teeth? Probably nothing too bad. Not right away. But what if you chose not to brush your teeth each day? Read this Wonderopolis story and in the comments section of this post, explain whether you think daily brushings are important and why.