At 10 years old, brainiac Sean the Science Kid already has plenty in common with Dr. Sanjay Gupta: He loves to learn and explain science to his million-plus Instagram followers. He's an advocate for positivity. And when he grows up, he wants to be a ("neuro-cardio") surgeon. So, Dr. Gupta passes the mic and lets Sean interview him about the things on his heart and brain.  Learn more about your ad choices. Visit podcastchoices.com/adchoices