<p>The world population is approaching 8 billion people and it's not stopping there. So how will we address the needs of everyone on earth? Our guest this week Dr. Susan Hockfield says we out to look to biology for answers.</p><p>You can listen to ad-free new episodes of Science Rules! only on Stitcher Premium. For a free month of Stitcher Premium, go to <a href="http://www.stitcherpremium.com/" target="_blank">stitcherpremium.com</a> and use promo code ‘SCIENCE.'</p>

Introducing Lost at the Smithsonian with Aasif Mandvi

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!