Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it.[2].Why can’t I wiggle my toes individually, like I can with my fingers? – Vincent, age 15, Arlington, Virginia One of my favorite activities is going to the zoo where I live
Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to...