Joe Hanson, Ph.D., is a science writer, biologist, and YouTube educator. He is the creator and host of “It's Okay To Be Smart,” an award-winning science education show, and creator and co-host of “Hot Mess,” a show about climate change and the environment, both from PBS Digital Studios. He received his Ph.D. from the University of Texas at Austin, and his science writing has been published by WIRED, Nautilus, Scientific American and Texas Monthly. He lives in Austin, Tex.

Twitter: @DrJoeHanson