Dr Karl
Dr Karl on TikTok!
View all

Triple J Science with Dr Karl

Triple J Science with Dr Karl
View all

Next up on the Radio

  • Wednesday 14th October 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 14th October 2026
    7:00 pm - 7:30 pm

    Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland

  • Thursday 15th October 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 15th October 2026
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart

  • Thursday 15th October 2026
    2:30 pm - 3:00 pm

    Dr Karl joins Jess Ong on ABC Darwin


Latest Books

View all

Recent Articles & Stories

View all
Uncategorized

Period nosebleeds, brains, simulations

What happens if I fall into the deepest hole on earth? Could my dog get COVID-19? How does Dr Karl’s brain work? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.

Uncategorized

Watery eyes, snake venom, coronavirus

Do your eyes water when you’re getting a wax?


Uncategorized

Apple burps, dogs on the phone, the munchies

Why do you get hungry when you smoke marijuana? Why cant my dog hear my voice over the phone? Why do I burp after I eat an apple.

Uncategorized

Electric shocks, bloody noses, sleep sneezing

Why does earwax taste bitter but snot doesn’t? Can Wi-Fi be harmful? If we were to replicate the big bang, how would we contain it?