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 is heart cancer so rare? – Jackson, age 12, Davis, California You probably know someone who is affected by cancer. This disease results when cells divide uncontrollably and
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...