Shirtloads of Science

By Dr Karl Kruszelnicki

What's Shirtloads of Science about?

Dr 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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Shirtloads of Science episodes:

04.14.2024
Ballooning for Dark Matter with Dr Sirks (379)
Why 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
04.07.2024
Neonicotinoids with Dr Sanchez-Bayo (378)
There 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...
03.31.2024
iFasting with prof Varady (377)
One 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
03.24.2024
Viral History with A/Prof Morgan (376)
Cat 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...
03.17.2024
Safe Design with Dr Sonya Brown (375)
When 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
03.10.2024
Decoding Chaos #2 with Professor James (374)
The 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
03.03.2024
Decoding Chaos #1 with Professor James (373)
How 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
02.25.2024
Cleaner Air with Dr King (372)
Lung 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
02.18.2024
The Standard pt 2 with Professor Lewis (371)
In 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
02.11.2024
The Standard pt 1 with Professor Lewis (370)
The 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...
02.04.2024
Vaper Trails pt 2 Prof. Chapman (369)
Vapes 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...
01.28.2024
Vaper Trails pt 1 with Prof. Chapman (368)
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
01.21.2024
Sleep with Professor Siobhan Banks (292)RPT
There 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
01.14.2024
Creatures with Professor Dieter Hochuli (302)RPT
Creatures 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
01.07.2024
Medical Cannabis with Dr Bahceci (299)RPT
Medicinal 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...
12.31.2023
Arthritis supplements with Professor Collins (316)RPT
Someone 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...
12.24.2023
Sunscreen Science with Geoff Mutton (342) RPT
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 ? drkarl.com
12.17.2023
Bee Genes #2 with Dr Remnant (367)
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...
12.10.2023
Bee Genes #1 with Dr Remnant (366)
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
12.03.2023
Repair & Recovery with Dr Adrian Brown from NASA (365)
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
11.26.2023
Martian Bath Rings with Dr Adrian Brown from NASA (364)
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...
11.19.2023
Billion-LY Bubble with Prof Lewis (363)
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
11.12.2023
G-Bombs with Prof Lewis (362)
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
11.05.2023
Knot Maths with Assistant Professor Lisa Piccirillo (361)
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...
10.29.2023
Cosmic Ticks #2 with Prof Lewis (360)
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
10.22.2023
Cosmic Ticks #1 with Prof Lewis (359)
How do Cosmologists measure Space-Time? Professor Lewis explains Einstein's clocks and the new cosmic ticks. DrKarl.com Geraint F Lewis
10.15.2023
Space Law 102 with Duncan Blake (358)
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
10.08.2023
Space Law 101 with Duncan Blake (357)
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
10.01.2023
Soot & Seaweed with Prof. Tuthill & Tiahni Adamson (356)
Stars & Cows with astrophysicist Prof Peter Tuthill & Wildlife Conservation Biologist Tiahni Adamson (356)
09.24.2023
Busting big nicotine with Dr King (355)
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....
09.17.2023
Tyre Chemistry with Dr Linda (354)
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...
09.10.2023
Cosmic Ripples with Professor Davis (353)
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
09.03.2023
Green Chemists Paul Anastas & John Warner (352)
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
08.27.2023
Night Sky Lights with Prof Lisa Harvey-Smith (351)
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
08.21.2023
Starry Gravity with Professor Lewis (350)
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
08.13.2023
Fusion Power with Professor Wilson (349)
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...
08.06.2023
Star Shine with Kirsten Banks (348)
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
07.30.2023
Gene Therapies with Professor Alexander (346)
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
07.23.2023
Net Zero with Aussie Research (347)
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
07.16.2023
Hormones with Dr Vavrek (345)
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...
07.09.2023
Psychedelics and Therapy (344)
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...
07.02.2023
Neil deGrasse Tyson (343)
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
06.19.2023
Healthy chewing and eating with Prof Collins (341)
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
06.11.2023
Wind Physics with Dr Rosemary (340)
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
06.04.2023
Astro Units with Dr Laura (339)
How can we measure space? Dr Karl consults a Radio Astronomer on units. Please note: Star Wars and Hans Solo references included. drkarl.com
05.28.2023
Radio Stars with Dr Laura (338)
Could a black hole photobomb a star? Dr Laura Driessen explains. drkarl.com
05.21.2023
Reionisation with Prof Lewis (337)
Too 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.
05.14.2023
Energy and Cars with Dr Bjorn Sturmberg (336)
Electricity 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...
05.07.2023
Dark Mythbusting with Prof Lewis (335)
Matter and Energy continue to raise shadowy questions in physics. Dr Karl tests some recent dark theories with Professor Lewis. drkarl.com geraintflewis.com
04.30.2023
The Five Kilo conundrum with Dr Nick (334)
Why do popular weight loss programs fail just when you feel they should work ? Dr Nick applies science to a healthy body and has good news. drkarl.com interval weight loss

What's Shirtloads of Science about?

Download our free app to listen on your phone

Shirtloads of Science episodes:

Ballooning for Dark Matter with Dr Sirks (379)

Neonicotinoids with Dr Sanchez-Bayo (378)

iFasting with prof Varady (377)

Viral History with A/Prof Morgan (376)

Safe Design with Dr Sonya Brown (375)

Decoding Chaos #2 with Professor James (374)

Decoding Chaos #1 with Professor James (373)

Cleaner Air with Dr King (372)

The Standard pt 2 with Professor Lewis (371)

The Standard pt 1 with Professor Lewis (370)

Vaper Trails pt 2 Prof. Chapman (369)

Vaper Trails pt 1 with Prof. Chapman (368)

Sleep with Professor Siobhan Banks (292)RPT

Creatures with Professor Dieter Hochuli (302)RPT

Medical Cannabis with Dr Bahceci (299)RPT

Arthritis supplements with Professor Collins (316)RPT

Sunscreen Science with Geoff Mutton (342) RPT

Bee Genes #2 with Dr Remnant (367)

Bee Genes #1 with Dr Remnant (366)

Repair & Recovery with Dr Adrian Brown from NASA (365)

Martian Bath Rings with Dr Adrian Brown from NASA (364)

Billion-LY Bubble with Prof Lewis (363)

G-Bombs with Prof Lewis (362)

Knot Maths with Assistant Professor Lisa Piccirillo (361)

Cosmic Ticks #2 with Prof Lewis (360)

Cosmic Ticks #1 with Prof Lewis (359)

Space Law 102 with Duncan Blake (358)

Space Law 101 with Duncan Blake (357)

Soot & Seaweed with Prof. Tuthill & Tiahni Adamson (356)

Busting big nicotine with Dr King (355)

Tyre Chemistry with Dr Linda (354)

Cosmic Ripples with Professor Davis (353)

Green Chemists Paul Anastas & John Warner (352)

Night Sky Lights with Prof Lisa Harvey-Smith (351)

Starry Gravity with Professor Lewis (350)

Fusion Power with Professor Wilson (349)

Star Shine with Kirsten Banks (348)

Gene Therapies with Professor Alexander (346)

Net Zero with Aussie Research (347)

Hormones with Dr Vavrek (345)

Psychedelics and Therapy (344)

Neil deGrasse Tyson (343)

Healthy chewing and eating with Prof Collins (341)

Wind Physics with Dr Rosemary (340)

Astro Units with Dr Laura (339)

Radio Stars with Dr Laura (338)

Reionisation with Prof Lewis (337)

Energy and Cars with Dr Bjorn Sturmberg (336)

Dark Mythbusting with Prof Lewis (335)

The Five Kilo conundrum with Dr Nick (334)