Zac Zinn is a science presenter and producer at the ABC and the creator behind ScribbleMouth, where he explores science, philosophy and the questions that attack the greatest mysteries of our universe. His videos have built an audience of more than 700,000 followers across social media, covering everything from cosmology and quantum physics to perception and paradoxes.

Zac has also produced short-form content for Veritasium and worked as a science teacher in Lismore and Alice Springs. He has delivered talks and science workshops in more than 40 schools across Australia. With a Bachelor of Science from the University of Melbourne, he combines scientific explanation with a personal interest in how ideas change the way we see the world. Zac believes the key to science communication is found in rediscovering and fostering the childhood curiosity all humans share – yet too many of us seem to lose.