On Jan 1st , Australians have new buying restrictions for vapes. Prof Chapman guides Dr Karl through the Science of Nicotine addiction, how to battle Big Tobacco and why access rules must change. Dr Karl.com simonchapman6.com
Jan 28, 2024•21 min•Season 7Ep. 1
Epigenetic jellies did not help. Feral bees made it worse. When a species-jumping parasite landed in Australia, our biosecurity controls ultimately failed. Bee geneticist Dr Remnant explains to Dr Karl how we lost round one against Varroa and the battles now being planned. DrKarl.com Dr. Remnant...
Dec 17, 2023•27 min•Season 6Ep. 51
Human prosperity has risen on the wings of bees - until recently. A species-jumping parasite has landed in Australia. Bee geneticist Dr Remnant explains to Dr Karl how and why this is so risky. DrKarl.com Dr. Remnant...
Dec 10, 2023•21 min•Season 6Ep. 50
Space hardware needs to be reliable, affordable and repairable. Recycling rockets and reprogramming helicopters are all part of a day's work for support staff. Adrian Brown Dr karl
Dec 03, 2023•26 min•Season 6Ep. 49
Salts prove Mars once had water. The rings tell us more about how and when this happened. Also the story of the lost chopper and how they found it. Dr Karl with first-hand accounts from Percy's driver. Adrian Brown Dr Karl
Nov 26, 2023•25 min•Season 6Ep. 48
Dr Karl gets a detailed briefing on a giant starry bubble just announced. Professor Lewis includes CMB, BAOs and traces of Dark Matter in his explanation. DrKarl.com Geraint F Lewis
Nov 19, 2023•23 min•Season 6Ep. 47
There are F Bombs in the Oppenheimer movie but no mention of G Bombs. Dr Karl probes Prof Lewis for the original source of atomic energy . The answer is surprising. DrKarl.com Geraint F Lewis
Nov 12, 2023•23 min•Season 6Ep. 46
Dr Karl meets Assistant Professor Lisa Piccirillo who unravelled an age-old knotty problem with four dimensional topology. Professor Piccirillo will deliver the Simon Marais Memorial Lecture at The University of Sydney on 7 November, register here. Dr Karl Professor Lisa Piccirillo...
Nov 05, 2023•21 min•Season 6Ep. 45
How far can we "see" through Space-Time? Professor Lewis takes Dr Karl to a place where everything is in slo-mo (relatively). The discussion naturally concludes with Time Machines. DrKarl.com Geraint F Lewis
Oct 29, 2023•17 min•Season 6Ep. 44
How do Cosmologists measure Space-Time? Professor Lewis explains Einstein's clocks and the new cosmic ticks. DrKarl.com Geraint F Lewis
Oct 22, 2023•20 min•Season 6Ep. 43
What governs the resources, risks and rewards on the Moon, Mars and beyond? Dr Karl gets a booster shot of Space law with specialist lecturer Duncan Blake. Drkarl.com Duncan Blake
Oct 15, 2023•27 min•Season 6Ep. 42
What are the rules for human behaviour in Space ? Dr Karl gets an introduction to Space Law history with specialist lecturer Duncan Blake. Drkarl.com Duncan Blake
Oct 08, 2023•24 min•Season 6Ep. 41
Stars & Cows with astrophysicist Prof Peter Tuthill & Wildlife Conservation Biologist Tiahni Adamson (356)
Oct 01, 2023•26 min•Season 6Ep. 40
The story of how a local oncologist took a pledge against Big Tobacco to the United Nations and had it passed. Dr Karl talks with Dr Bronwyn King about her crusade against the merchants of preventable disease through tobacco-free portfolios. drkarl.com tobaccofreeportfolios.org...
Sep 24, 2023•25 min•Season 6Ep. 39
Meet tyre nerd and chemist Dr Linda Mitchell. She works in stewardship - trying to improve our recycling of rubber. How many old Australian tyres are exported and burned each year? Way too many and Dr Mitchell knows how we can do better. DrKarl.com TSA Lindylulu77...
Sep 17, 2023•23 min•Season 6Ep. 38
Professor Davis and Dr Karl delve into the universal tensions and cosmic ripples. Are there frozen clumps at regular intervals leading back to the Big Bang? drkarl.com @tamarastro
Sep 10, 2023•26 min•Season 6Ep. 37
Dr Karl meets two Green Chemists. For 30 years they have been encouraging sustainable and cleaner chemical processes. DrKarl.com Dr Paul Anastas John Warner...
Sep 03, 2023•26 min•Season 6Ep. 36
Auroras, fireballs and space junk. They are all visible. Prof Lisa and Dr Karl discuss how and where you might spot them. Also, how you can get your name into space. drKarl.com lisaharveysmith.com
Aug 27, 2023•22 min•Season 7Ep. 30
Will 2023 be the year that we both see and feel more gravity waves? Dr Karl probes Prof Lewis about what is so exciting linking LIGO with Pulsars. DrKarl.com Geraint F Lewis
Aug 21, 2023•19 min•Season 6Ep. 34
Meet a scientist working to build and test a fusion power plant. Fusion Professor Howard Wilson has intimate knowledge of plasma - the stuff inside stars - and what is needed to safely contain it on earth. Prof. Wilson
Aug 13, 2023•22 min•Season 6Ep. 33
PhD student Kirsten Banks takes Dr Karl on a deep journey towards a new candle standard. Stellar seismology and the search for exoplanets may make galactic maps more accurate. @Astrokirsten
Aug 06, 2023•27 min•Season 6Ep. 32
Gene therapies are being approved for a growing number of conditions. Professor Alexander talks to Dr Karl about how they work and the decades of testing to make them safe. Prof. Ian Alexander Dr. Karl
Jul 30, 2023•32 min•Season 6Ep. 31
Nature needs our help to beat global warming. Dr Karl consults Prof D'Alessandro about her team's work to pull carbon out of the air using solar power. Professor D'Alessandro Dr Karl
Jul 23, 2023•26 min•Season 6Ep. 30
Around 20 years ago a worldwide hormone scare took hold. Was it a media beat-up? Dr Natasha Vavrek takes Dr Karl through the experiment that caused it and numbers that were misreported. Today HRT is called MHT and is safe again. thebubbletasmania DrKarl
Jul 16, 2023•25 min•Season 6Ep. 29
Australia has implemented laws to permit the use of some psychedelic drugs in strictly controlled circumstances. Psychedelics researcher Dr Paul Liknaitsky and acclaimed author Heather Rose discuss the possibilities and complexities. #shirtloadsofscience This podcast will discuss topics of mental health. If you find parts of this content confronting or distressing contact Lifeline on 131114. Heather Rose Dr Paul Liknaitzky...
Jul 09, 2023•21 min•Season 6Ep. 28
Astrophysicist, author, and speaker Neil deGrasse Tyson joins Dr Karl to talk about science communication. Today needs global action based on solid science like never before - so how to frame it ? July 23 NZ-Au-Sg Tour dates Drkarl.com
Jul 02, 2023•15 min•Season 6Ep. 27
What is the best way to protect your skin? Dr Karl seeks ground truths from an industrial chemist. Is it all in the science of drying paint? Ep342 drkarl.com
Jun 25, 2023•28 min•Season 6Ep. 26
Healthy eating begins in the mouth. How much should you chew food? What sized bites are best? Can Dental Health affect your gut? Dr Karl masticates these topics with Dietetics Professor Collins. drkarl.com
Jun 19, 2023•25 min•Season 6Ep. 25
Wind-powered turbines are powerful machines. So why only three blades? Dr Rosemary gives Dr Karl an introduction to the engineering and physics of getting electricity from air currents. drkarl.com
Jun 11, 2023•25 min•Season 6Ep. 24
How can we measure space? Dr Karl consults a Radio Astronomer on units. Please note: Star Wars and Hans Solo references included. drkarl.com
Jun 04, 2023•24 min•Season 6Ep. 23