Dr Karl Kruszelnicki
Shirtloads of Science
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. Series Producer: Isabelle BentonTechnical Producer: Maya Cook
Author
Dr Karl Kruszelnicki
Category
Podcast website
Latest episode
Jul 4, 2026
Where to listen?
Podcasts in the app Replaio Radio Coming soonPodcasts are coming to the app soon. Install now and be the first to see a whole new take on podcasts
Episodes
Science + Quiz = Comedy National Science Week 2017 (43) 14.08.2017 1:14:54
To celebrate National Science Week in Australia, we all got together under the umbrella of the Sydney Science Festival to have a fun night called SquizCo – in other words, Science Plus Quiz = Comedy. We had two teams of top-notch scientists battling it out in an Arena of Knowledge and Wits under the watchful eye of host and fellow Sleek Geek Adam Spencer, with Dr Karl as the Brains Trust.
Why Great physics is Messy with Dr Helen Czerski (42) 06.08.2017 20:23
Dr Karl and Dr Helen - talking about ..World's longest echo, how to photograph the molecules inside an explosion, Oceans, Coffee rings and climate change. Dr Helen Czerski describes Physics today as "messy" and "complex" and she loves it.
Spider Webs, The Shape of Eggs & On The Road with Bertha Benz (41) 30.07.2017 23:16
In this episode - just about, almost on-the-verge of becoming Doctor Jessica on the physics of chemical bonding in spider's silk and how it might help us to build better stuff. Dr Alice on computer modelling predicting the shape of eggs. Dr Karl tells us about the first road trip by car.
Ultra Marathon AstroPhysics with Professor Lisa (40) 23.07.2017 24:07
Making sense of the Heavens above is extreme science. Add radio telescopes and that becomes multi dimensional. Then apply stresses that destroy 4 wheel vehicles in the desert and you have this week's Shirtloads guest. Dr Karl and Professor Lisa (Harvey-Smith). Radio astronomer and Ultra Marathon Runner who quit formal schooling aged 11. Unique in the science fraternity and she is focused on big S...
Mice in Space, Battery & Plane Travel, Blue Pigment (39) 16.07.2017 16:21
This week the team are all in the wild blue yonder. Dr Alice talks about mice pups and space and burying sperm deep under the lunar surface. Dr Karl dreams of carbon free plane travel and passengers making space for the lightest element in the universe. And just about a fully formed Dr Jessica on making the newest blue a physical reality.
White Coffee & Meringues - Prof Claire Collins on the foamy Science of proteins (38) 09.07.2017 18:47
What makes white coffee so foamy and delicious. That delightful crunch when you bite into the perfect meringue. Scientifically they're both made of the same stuff - protein. Prof Claire Collins takes us on a journey beyond the taste buds to find the perfect foam for coffee and the prime meringuine making conditions. There is Science behind our recipes and with these tips you will do better. Dr K...
Con Artists, Cold Spots and Stradivarius violins (37) 02.07.2017 23:56
Things are not always how they seem: Dr Karl explains how to be buff, good looking and scientifically believable in order to con the gullible. Almost Dr Jessica explains how a statistical quirk could look like a collision with another universe. And Dr Alice explains that how that wine you're drinking could taste better in another bottle while listening to your favourite violinist playing a Stradiv...
Climate Science Debate (36) 25.06.2017 19:03
Why has Climate Science become so contested ? Dr Karl discusses with two authors. Dr Christopher Wright has written about the past 30 years of Climate Change in " Climate Change, Capitalism and Corporations: Processes of Creative Self-destruction". And Dr Michael Mann, the US researcher who published the hockey stick graph with his latest " The Madhouse Effect : How Climate Change Denial Is Thre...
Dr. Michael Mann & the Hockey Stick Graph. (35) 18.06.2017 19:10
This podcast is about Science and a chart. Team leader, Professor Michael Mann, drew it 20 years ago using good science. It's been named "The Hockey Stick Graph" because of the way it shoots up. It had no new information. Instead it drew on an international scientific consensus. The issue was that it suggested that humans had already changed our climate. The other problem was the clarity with whic...
The Artificial Uterus, Schroedinger's Cat & Bacteriophages (34) 11.06.2017 22:31
Blue Sky Science. This week the lamb in a bag - Dr Alice on the research that may help save premature babies. Almost Dr Jessica with a cat in a box wanted dead and/or alive. And Dr Karl on the viruses that eats bacteria - maybe there is a future for humans despite antibiotic superbugs.
Food Fraud Forensic Science (33) 03.06.2017 26:26
We are what we eat. Organic, low fat, pesticide-free, High Fibre ; Consumers are charged extra for foods with health benefits like these. But when food is packaged, how do you know what is really inside ? Welcome to the world of Food Fraud. This Shirtloads podcast stars two British Scientists who have written all it in "Sorting the Beef from the Bull". Bio-Geo-Chemist Richard Evershead and Biologi...
Natural Nukes, Pulsars and Lithium-ion Batteries (33) 31.05.2017 24:50
Natural Nukes - Dr Karl explains how the earth created a nuclear reactor billions of years before we figured out how. Extreme gravity, relativistic rotation speeds and could-have-been alien lighthouses - almost Dr Jessica explains the strange science of the Pulsar. Plus Dr Alice on things that shouldn't go boom - the Lithium-ion batteries that power all our devices.
Xiuhtezcatl Martinez - Climate Change Activist (31) 21.05.2017 21:43
From the age of six, Xiuhtezcatl has been out to improve our world. He worked locally to get pesticides out of parks, coal ash contained, and fracking moratoriums. He has addressed the General Assembly at the United Nations in New York. He is currently a plaintiff in a youth-led lawsuit against the US federal government for their failure to protect the atmosphere for future generations. On a brie...
Ayahusca, Number Stations, Silk Stops Bullets (30) 14.05.2017 24:13
Dr Alice is talking about Ayahusca a South American hallucinogen that may help depression and other mental disorders, nearly Doctor Jessica exploring number stations and the secret messages that haven't stopped despite the end of the Cold War and Dr Karl on whether the silk handkerchief in your top pocket will stop bullets .
Marine Permaculture (Brian von Herzen) (29) 07.05.2017 20:08
Imagine cooling down 2,300 km of Barrier Reef along the Australian coast using renewable energy. Mind-blowing, right? Dr Brian Von Herzen has such a plan. It's part of a bigger picture that he calls Marine Permaculture - using nature to restore habitat in the oceans. It is a project he has been working towards for over a decade including demonstrations off Hawaii. Dr Karl discussed Dr Brian's vis...
Dinosaurs, Dinner & Descendants (#28) 30.04.2017 20:52
Dinosaur Love - What drove them to sex ? Dr. Alice reports that there may be hints in a distant relative. Test Tube Meat ? The cost of manufactured protein will come down says Almost Dr. Jessica. Plus Dr. Karl on Animal Families. They can have kids from different fathers in the same litter. They're not twins. What are they and Why?
SOS_26 Space Junk, FRB & a Fab new Forensic Tool 16.04.2017 24:33
Imagine laying a sheet of smart film on a masterpiece like "Starry Starry Night". Without contaminating the surface, you can lift off chemical signatures. Discover what paint Van Gogh used, what drugs he might have been taking and even if he was suffering from a recognisable disease. Dr Alice has the story plus Dr Karl on the growing rubbish dump above our heads and (almost) Dr Jessica on those on...
Swimming with Bacteria (and Dr Matt Baker) #27 12.04.2017 19:59
Bacteria are more like submarines than fish. They have propellors and motors. This is one of the extraordinary discoveries that Sydney researcher Dr Matt Baker has been part of. In fact he has gone deeper and is looking inside the different motors bacteria species have. What powers these micro machines ? How they are made ? His stories of life at a micron level are almost beyond belief.
Gravitational Waves Part 2 (SoS_25) 29.03.2017 22:14
What discovery deserves to be the biggest of the 2016? We say Gravitational Waves and the LIGO team. Einstein said they were theoretically possible a hundred years ago and this story is so big it'll is worth two podcasts. Welcome once again Professor Geraint Lewis from the School of Physics at Sydney University.
What is so BIG that ... ? 29.03.2017 18:17
LIGO - Laser Interferometer Gravitational Wave Observatory was the detector. It has found the most elusive of all cosmic vibrations. One hundred years ago Einstein said they were possible - so mind-bending he changed his opinion twice. A mathematician in the WWI trenches confirmed their theoretical existence and then ... Well this story is so big it'll take two podcasts. Welcome to our Shirtloads...
SOS_23 Planets, Poison and Poverty 18.03.2017 14:35
Searching for other habitable planets, looking for medicines inside deadly poisons and pushing poverty (and wealth) to the limit. A Shirtloads Planet Earth 2017 health check.
Prof. Claire Collins - 5 Simple foods that might save your life 16.03.2017 15:21
Cholesterol is a waxy, fat-like substance that your body needs. When you have too much in your blood, it can build up on your artery walls. Too much cholesterol puts you at risk for heart disease and stroke, two leading causes of death. Prof. Claire Collins has 5 simple changes to your diet - that may improve your life and beat these notorious killers.
Science Talk on Birds, Planets & the Doomsday Clock (21) 04.03.2017 16:18
Doctors (Karl, Alice & Jessica almost) Talk about the Chemicals you may find on new Planets , a new way to breed endangered birds and why has the Doomsday Clock started ticking again ?
Dr. Linda Spilker knows lots about Saturn (you'd swear she's been there). Well she has - virtually. 04.03.2017 42:51
Dr Karl's Shirtloads takes you to where Water-Ice is rock, salty Geysers blow (just like earth's underwater Hydrothermic jets) and the prospects for life in our own Solar System are tantalisingly close. Dr Linda Spilker has been with NASA's Jet propulsion Lab since 1977. Her work spans Voyager missions and the current Cassini mission. With 40 years of exploration experience, enjoy our extended e...
Science Talk = Zealandia, Autism and the Soap we had to ban 21.02.2017 15:14
Planets are popping up everywhere but what about that new Continent on Earth - Why has it taken us so long to find it ? Which part of the human brain is revealing a relationship with Autism .... and why did we have to ban a certain type of soap ? Surely something as simple as soap can't be that bad ? Dr Karl, Dr Alice and Dr (almost) Jessica discuss the latest.
Similar podcasts
Replaio is not a podcast publisher; show names, artwork and audio belong to their authors and are distributed through public RSS feeds.