9:30 am - 10:00 am
View all
Next up on the Radio
Thursday 24th September 2026
9:30 am - 10:00 amThursday 24th September 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 24th September 2026
2:30 pm - 3:00 pmDr Karl joins Alice Matthews on ABC Canberra
Thursday 24th September 2026
2:30 pm - 3:00 pmDr Karl joins Jess Ong on ABC Darwin
Thursday 24th September 2026
3:30 pm - 4:00 pmDr Karl joins Prue Bentley on ABC Regional Victoria
Latest Books
View all
Recent Articles & Stories
View all
National Geographic Kids What is a Sinkhole?
Dr Karl digs deep into sinkhole science A sinkhole is a void in the ground caused by a collapse of the Earth’s surface layer. This usually occurs when the ‘stuff’ underground – limestone and gypsum – dissolves or shifts as a result of lots of moving water in one area. Heavy localised rainfall or large […]
Uncategorized
Observable universe, new elements and black holes
Dr Karl is away for the month, so science journalist Bianca Nogrady is stepping in to be your science sherpa on triple j. And joining her today was Dr Jess Bloom, astrophysicist from the University of Sydney.
Uncategorized
Creating gold, clicking and skin flaps
Are there different species of humans? Is the earth getting heavier? Why can i put my dreams on hold? Dr Karl answers these questions and more, with guest host Karla Ranby on triple j Mornings.
In the News ABC News 24: 2016 Nobel Prize Winners in Physics, Chemistry and Medicine
Dr Karl talks about the 2016 Nobel Prize Winners in Physics, Chemistry and Medicine
