Bill Nye is a science educator, mechanical engineer, a New York Times bestselling author and host of the Emmy-nominated Bill Nye Saves the World on Netflix. He’s also the CEO of the Planetary Society, co-founded by Carl Sagan, and is inspiring those young and old to open their minds to the wonders of science.

After years of focusing on educating children, he’s taking on some topics that cross all age lines, such as the possibility of time travel, evolution and climate change, and in the process, inspiring adults, too.

He weighs in on his long, interesting and unusual career path and explains why it’s something worth exploring for us all.