Shirtloads of Science
403 episodes - English - Latest episode: 5 days ago - ★★★★★ - 32 ratingsDr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood.
https://drkarl.com/
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Episodes
Solid State Logic with Dr Lang (380)
April 21, 2024 02:00 - 19 minutes - 18.8 MBSilicon chips are everywhere. Will they continue to multiply ? Does meeting carbon reduction targets rely on Solid State efficiency ? Dr Karl talks benefits and costs with Dr Lang. Dr Karl Dr Lang
Ballooning for Dark Matter with Dr Sirks (379)
April 14, 2024 02:00 - 24 minutes - 23.1 MBWhy use a balloon to hunt the most elusive suff in the Universe? Dr Sirks takes Dr Karl through the history of Dark Matter and why astronomy is only part of the solution. DR kARL Dr Sirks
Neonicotinoids with Dr Sanchez-Bayo (378)
April 07, 2024 02:00 - 18 minutes - 18.4 MBThere is a perception that the worst pesticides were banned years ago. So why are Insects (including bees) in decline? Dr Sanchez-Bayo says a family of water soluble pesticides are to blame. He names them and wants to know why they are still being sprayed in Australia. Dr Sanchez-Bayo Dr Karl
iFasting with prof Varady (377)
March 31, 2024 01:00 - 23 minutes - 23.3 MBOne of the most popular diets today was studied by professor Varady over 20 years ago. She now teaches in Chicago. Dr Karl finds out why intermittent fasting is so successful. Dr Karl Prof Krista Varady
Viral History with A/Prof Morgan (376)
March 24, 2024 01:00 - 22 minutes - 21.1 MBCat ladies, Australians and Chickens have all helped to advance our knowledge of Viruses and their link with Cancer. Dr Gregory has investigated the history and written a book about how we got where we are. dr Karl A/Prof Morgan X: @DrGMorgan Threads: @dr.gregory.morgan Blue Sky Social: @drgregorymorgan.bsky.social
Safe Design with Dr Sonya Brown (375)
March 17, 2024 01:00 - 18 minutes - 16.9 MBWhen Aircraft accidents happen we investigate how and why. Dr Sonya Brown tells Dr Karl about the process of improving safety and the importance of learning from incidents. DrKarl.com Dr Sonya Brown
Decoding Chaos #2 with Professor James (374)
March 10, 2024 01:00 - 21 minutes - 20.2 MBThe observed Universe is very binary and occasionally poly. Professor James takes Dr Karl inside a collapsing star and suggests how the last ray of starlight will shine. Dr Karl Professor James
Decoding Chaos #1 with Professor James (373)
March 03, 2024 01:00 - 19 minutes - 18.1 MBHow should we explain bumps in the observations of Stars? Cosmology is full of intangible forces. Professor Renee James explains "Helium Flash", why it is mostly invisible to us and when density matters. Dr Karl twitter@drcrj
Cleaner Air with Dr King (372)
February 25, 2024 01:00 - 26 minutes - 24.4 MBLung Disease is killing more of us each day. As temperatures rise, why is our air more contaminated ? Dr King explains how it's happening and what to do about it. Dr Karl Dr Bronwyn King
The Standard pt 2 with Professor Lewis (371)
February 18, 2024 01:00 - 25 minutes - 23.6 MBIn part 2, Prof Lewis introduces Dr Karl to Quarks, Leptons and Bosons. It's a messy subatomic zoo and still our Standard Model of everything. Avoid brain pain and listen to part 1 first . Dr Karl Professor Geraint Lewis
The Standard pt 1 with Professor Lewis (370)
February 11, 2024 01:00 - 20 minutes - 18.7 MBThe Standard Model for everything ... is full of weird names and strange numbers. In part 1, Prof Lewis explains to Dr Karl how we got into this mess and why this mess still holds true. Dr Karl Professor Geraint Lewis
Vaper Trails pt 2 Prof. Chapman (369)
February 04, 2024 01:00 - 24 minutes - 23.4 MBVapes are 21st century inventions but the science of smoking and its dangers are well known. Prof. Chapman tells Dr Karl how Vapes are likely to be worse than tobacco, why "Puff Parameters" lead to such conclusions, and how lung cancer became a top killer. Dr Karl.com simonchapman6.com
Vaper Trails pt 1 with Prof. Chapman (368)
January 28, 2024 01:00 - 20 minutes - 19.3 MBOn 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
Sleep with Professor Siobhan Banks (292)RPT
January 21, 2024 01:00 - 27 minutes - 27.7 MBThere are many sleep myths. Dr Karl clears up some with sleep researcher Professor Banks. So are there links between bad sleep and inflammatory disease? drkarl.com
Creatures with Professor Dieter Hochuli (302)RPT
January 14, 2024 01:00 - 31 minutes - 43 MBCreatures surround us . All we have to do is look. Professor Dieter Hochuli shows us a living world right on our doorstep. https://www.urbanfieldnaturalist.org/book drkarl.com @dieterhochuli
Medical Cannabis with Dr Bahceci (299)RPT
January 07, 2024 01:00 - 20 minutes - 28.1 MBMedicinal use of cannabis is a big deal. How many cannabinoid chemicals are there? How receptive is the human body? Can you drive a car after CB pain relief? The answers vary. Dr Karl and Dr Bahceci have the Australian science. Always check with your local authorities on the law. @DilaraB_PhD drkarl.com
Arthritis supplements with Professor Collins (316)RPT
December 31, 2023 01:00 - 29 minutes - 41.3 MBSomeone you know is being treated for Arthritis. Fifteen per cent of Australians suffer pain daily and there are few safe drugs. This has led to shelf loads of "supplements" and "alternatives". Does any of it work? Professor Collins compiles the best research to date. Most do nothing (so don't waste your health, time or money). nomoneynotime.com.au drkarl.com
Sunscreen Science with Geoff Mutton (342) RPT
December 24, 2023 01:00 - 27 minutes - 38.3 MBWhat 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 ? drkarl.com
Bee Genes #2 with Dr Remnant (367)
December 17, 2023 01:00 - 27 minutes - 25.3 MBEpigenetic 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
Bee Genes #1 with Dr Remnant (366)
December 10, 2023 01:00 - 20 minutes - 19.4 MBHuman 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
Repair & Recovery with Dr Adrian Brown from NASA (365)
December 03, 2023 01:00 - 25 minutes - 24.2 MBSpace 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
Martian Bath Rings with Dr Adrian Brown from NASA (364)
November 26, 2023 01:00 - 24 minutes - 23.3 MBSalts 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
Billion-LY Bubble with Prof Lewis (363)
November 19, 2023 01:00 - 22 minutes - 21.4 MBDr 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
G-Bombs with Prof Lewis (362)
November 12, 2023 01:00 - 23 minutes - 21.7 MBThere 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
Knot Maths with Assistant Professor Lisa Piccirillo (361)
November 05, 2023 01:00 - 20 minutes - 19.1 MBDr 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
Cosmic Ticks #2 with Prof Lewis (360)
October 29, 2023 01:00 - 17 minutes - 16.1 MBHow 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
Cosmic Ticks #1 with Prof Lewis (359)
October 22, 2023 01:00 - 20 minutes - 18.9 MBHow do Cosmologists measure Space-Time? Professor Lewis explains Einstein's clocks and the new cosmic ticks. DrKarl.com Geraint F Lewis
Space Law 102 with Duncan Blake (358)
October 15, 2023 01:00 - 26 minutes - 24.9 MBWhat 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
Space Law 101 with Duncan Blake (357)
October 08, 2023 01:00 - 23 minutes - 23.5 MBWhat 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
Soot & Seaweed with Prof. Tuthill & Tiahni Adamson (356)
October 01, 2023 01:00 - 25 minutes - 23.7 MBStars & Cows with astrophysicist Prof Peter Tuthill & Wildlife Conservation Biologist Tiahni Adamson (356)
Busting big nicotine with Dr King (355)
September 24, 2023 02:00 - 25 minutes - 23.8 MBThe 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
Tyre Chemistry with Dr Linda (354)
September 17, 2023 02:00 - 23 minutes - 22.3 MBMeet 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
Cosmic Ripples with Professor Davis (353)
September 10, 2023 02:00 - 25 minutes - 23.8 MBProfessor 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
Green Chemists Paul Anastas & John Warner (352)
September 03, 2023 02:00 - 26 minutes - 24.7 MBDr Karl meets two Green Chemists. For 30 years they have been encouraging sustainable and cleaner chemical processes. DrKarl.com Dr Paul Anastas John Warner
Night Sky Lights with Prof Lisa Harvey-Smith (351)
August 27, 2023 02:00 - 22 minutes - 21.4 MBAuroras, 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
Starry Gravity with Professor Lewis (350)
August 21, 2023 02:00 - 19 minutes - 18.9 MBWill 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
Fusion Power with Professor Wilson (349)
August 13, 2023 02:00 - 22 minutes - 21.2 MBMeet 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
Star Shine with Kirsten Banks (348)
August 06, 2023 02:00 - 26 minutes - 24.8 MBPhD 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
Gene Therapies with Professor Alexander (346)
July 30, 2023 02:00 - 31 minutes - 29.1 MBGene 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
Net Zero with Aussie Research (347)
July 23, 2023 02:00 - 26 minutes - 24.3 MBNature 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
Hormones with Dr Vavrek (345)
July 16, 2023 02:00 - 24 minutes - 35.2 MBAround 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
Psychedelics and Therapy (344)
July 09, 2023 02:00 - 20 minutes - 28.7 MBAustralia 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
Neil deGrasse Tyson (343)
July 02, 2023 02:00 - 15 minutes - 21.3 MBAstrophysicist, 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
Healthy chewing and eating with Prof Collins (341)
June 19, 2023 02:00 - 24 minutes - 34.8 MBHealthy 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
Wind Physics with Dr Rosemary (340)
June 11, 2023 02:00 - 25 minutes - 34.9 MBWind-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
Astro Units with Dr Laura (339)
June 04, 2023 02:00 - 23 minutes - 33 MBHow can we measure space? Dr Karl consults a Radio Astronomer on units. Please note: Star Wars and Hans Solo references included. drkarl.com
Radio Stars with Dr Laura (338)
May 28, 2023 02:00 - 25 minutes - 35.1 MBCould a black hole photobomb a star? Dr Laura Driessen explains. drkarl.com
Reionisation with Prof Lewis (337)
May 21, 2023 02:00 - 27 minutes - 38.8 MBToo hot for synthesis ? Too cool to stick ? The early universe is a bog for electrons . Dr Karl gets the latest on Dwarfs vs Dwarves with Prof Lewis.
Energy and Cars with Dr Bjorn Sturmberg (336)
May 14, 2023 02:00 - 27 minutes - 37.8 MBElectricity is how Australians get to 43% net zero by 2030. Transport must be part of that plan. Dr Sturmberg has been testing strategies to put electric cars on the grid, in the home and out in paddocks. Recorded in Dec 2022 information was correct then. bjornsturmberg.com drkarl.com
Dark Mythbusting with Prof Lewis (335)
May 07, 2023 02:00 - 23 minutes - 33.9 MBMatter and Energy continue to raise shadowy questions in physics. Dr Karl tests some recent dark theories with Professor Lewis. drkarl.com geraintflewis.com