9:30 am - 10:00 am
View all
Next up on the Radio
Wednesday 1st July 2026
9:30 am - 10:00 amWednesday 1st July 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 1st July 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 2nd July 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
Latest Books
View all
Recent Articles & Stories
View all
Australian Geographic Could cows produce strawberry-flavoured milk?
WE KNOW THAT human breast milk can be flavoured by what the mother eats, and the same holds for cow’s milk. So can cows produce strawberry-flavoured milk? One study involved 18 nursing human mothers eating capsules of concentrated flavour. Within hours, the babies were enjoying flavoured milk from their mother’s breasts. The time varied for […]
National Geographic Kids Digging a Hole Through Earth
Dr Karl imagines digging a hole through Earth to the other side of the world. Have you ever thought of digging a hole in your backyard deep enough to take you to the other side of the world? Suppose you really could drill a hole right though the centre of the Earth. What would happen […]
Uncategorized
Black holes, quantum computing and oncoming doom
Could our universe be a hologram? Can colliding black holes create musical notes? Will our universe collapse in on itself? Dr Karl and Professor Patrick Hayden from Stanford University answers these questions and more.
Uncategorized
Blocking phone signals, vinegar-soothed sunburn and popping a yawn
Do microwave ovens block mobile phone reception? Will vinegar sooth sunburn? How can you ‘pop’ a yawn?
