The star of The Big Bang Theory, Blossom, and the new show Call Me Kat explains how she balances her love of science with her career in acting, and we put her neuroscience Ph.D. to use answering your questions about cognitive disabilities and disorders.

The True Limit to Space Exploration: Our Sanity

Bill Nye is on a mission to change the world — one voicemail at a time. Bill and science writer Corey S. Powell take your burning questions and put them to the world's leading experts on just about every topic in the universe. Should you stop eating cheeseburgers to combat climate change? Could alien life be swimming inside the moons of Jupiter and Saturn? Does your pet parakeet learn to sing the way that you learned to speak? Bill, Corey, and their special guests will answer those questions and convince you that... science rules!