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].Who invented the light bulb? – Preben, age 5, New York City When people name the most
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