Dr Karl
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Triple J Science with Dr Karl

Triple J Science with Dr Karl
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Next up on the Radio

  • Wednesday 11th November 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 11th November 2026
    7:00 pm - 7:30 pm

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

  • Thursday 12th November 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 12th November 2026
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart


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Uncategorized

Big dinosaurs, sun flames, four seasons in one day

How does addiction work? Why were dinosaurs so big? Does stress shorten your life?

Australian Geographic

The thorny devil lizard’s drinking habits

How the thorny devil takes “flat out like a lizard drinking” to the extreme. ONE OF THE standard Aussie replies to somebody who asks you how hard you’re working is “flat out like a lizard drinking”. But Australia’s thorny devil has taken it to the max – it doesn’t even have to lower its mouth […]


Australian Geographic

The truth about Uluru

The phrase ‘world’s largest monolith’ makes a nice story for tourists. Just don’t say it near a geologist. OVERSEAS, ULURU IS the essential symbol of Australia. It also has enormous significance to the local Anangu people. The story told to tourists, and to Australian schoolkids, is that Uluru is the world’s largest monolith. A monolith […]

Uncategorized

Sun mirror, essentials oils, vinyl records

How do you get music out of a vinyl record? What would happen if you reflected the sun’s light back at it? Would ants survive without their colony?