Creator	Role	# of Episodes
Dr. Karl Kruszelnicki Dr. Karl Kruszelnicki AM (/ˌkrʊʃəlˈnɪtski/ KRUUSH-əl-NIT-skee), often referred t... more	Host	377
Phil Muscatello Host of Shares for Beginners, Stocks for Beginners, & ETFs for Beginners. Dedica... more	Editor	11
Lisa Piccirillo Lisa Piccirillo is a mathematician.	Guest	1
Dr. Laura Driessen Dr. Laura Driessen is a radio astronomy postdoctoral researcher at USyd, investi... more	Guest	2
Cathy Foley Cathy Foley is a physicist.	Guest	1
Alanta Colley Alanta Colley is Troubled boss of Sci-Fight. Public Health Nerd. Science comedy ... more	Guest	1
Dr. Daniel Zarin Dr. Daniel Zarin is an Executive Director of Forests and Climate Change at Wildl... more	Guest	1
Howard Wilson Howard Wilson is a professor of Engineering and Technology in School of Physics ... more	Guest	1
Edward Holmes Edward Holmes is an evolutionary biologist and virologist.	Guest	2
Katherine Belov Katherine Belov is a geneticist and Professor.	Guest	1
Dr. Jessica Bloom Dr. Jessica Bloom is an Astrophysicist.	Guest	2
Matt Parker Matthew Parker is an author, comedian, YouTube personality, and communicator.... more	Guest	1
Dr. Dilara Bahceci Dr. Dilara Bahceci is a pharmacologist and neuroscientist. She received a PhD in... more	Guest	2
Toby Walsh Toby Walsh is a Professor of Artificial Intelligence at University of New South ... more	Guest	3
Kirsten Banks Kirsten Banks is an Indigenous Australian astrophysicist and science communicato... more	Guest	1
Taylah Griffin Taylah Griffin works as a Flight Test and Systems Engineer for Boeing Defence Au... more	Guest	1
Clare Collins Clare Collins is a dietician and Professor of Nutrition & Dietetics at the Unive... more	Guest	6
Genevieve Bell Genevieve Bell is an anthropologist, technologist, and futurist.	Guest	1
Dr. Nick Andronis Dr. Nick Andronis is an engineer.	Guest	1
Dr. Bronwyn King Dr. Bronwyn King is an Australian radiation oncologist and anti-tobacco campaign... more	Guest	2