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

  • Thursday 2nd July 2026
    2:30 pm - 3:00 pm

    Dr Karl joins Alice Matthews on ABC Canberra

  • Thursday 2nd July 2026
    2:30 pm - 3:00 pm

    Dr Karl joins Jess Ong on ABC Darwin

  • Thursday 2nd July 2026
    3:30 pm - 4:00 pm

    Dr Karl joins Prue Bentley on ABC Regional Victoria

  • Wednesday 8th July 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 8th July 2026
    7:00 pm - 7:30 pm

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


Latest Books

View all

Recent Articles & Stories

View all
Uncategorized

Boogers, corn, coffee aroma

How does a dog recognise the opposite sex if they can’t smell their butt? Is it healthy to eat your own boogers? Plus, is it possible to inter-breed species?

Australian Geographic

Which way does water go down a drain?

Dr Karl investigates if water really drains anti-clockwise in the Northern Hemisphere and clockwise Down Under. DOES WATER EMPTY down a drain hole anti-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere? The answer is โ€“ kind of, and sometimes. As a cyclone moves away from the equator, it spins clockwise in the […]


Uncategorized

Itching, morning sickness & tazers

Dr. Karl answers all your science questions, including; what’s the point of hiccups? Should you floss after brushing? Does sound travel in space?

Uncategorized

Chemical happiness, attractive bees and hot feet

How do you test sewerage for drugs? Did a hash brownie bring back my sense of smell? Why can’t I burp? These science questions get answered this week, by science journo Bianca Nogrady and Uni of Sydney researcher Dr Alice Motion.