Shirtloads of Science

Edwin Hubble is world famous. What about Henrietta Swan Leavitt? She found a way to measure and classify the universe. In Dava's book "The Glass Universe" she references the half million glass slides Henrietta and other women used to document both the northern and southern skies.

There is a family of chemicals that has drug companies popping corks. Obesity researcher Dr Nick Fuller explains to Dr Karl how they work and why they sometimes fail. Healthy Parents Healthy Kids with Dr Nick Fuller DrKarl

Dr Tom Crawford explains to Dr Karl how using fluid density might improve your sporting performance. Listen out for duelling and marathon running references. TomRocksMaths drKarl.com

Playing sport on a rotating planet has advantages. Dr Tom Crawford gives Dr Karl tips on using Maths to score more goals and break records. TomRocksMaths Drkarl.com

When degenerate electrons meet 0.47 of a solar mass what happens? This is the start of Dr Kirsten Banks' PhD thesis. Dr Karl investigates the secret behaviour of Red Giants in the Milky Way and their Helium flashes. Kirsten Banks (astrokirsten.com.au) DrKarl.com

The bird family tree may need pruning. Geneticists have made new connections that take us back to the great extinction event. Professor Ho explains to Dr Karl how this is changing our views on dinosaurs and chickens. Prof Simon Ho DrKarl.com

Dr Karl learns a new German word 'dunkelflaute'. Rare in Australia yet it plays havoc in colder countries. Yet another reason why atomic reactors are a poor choice for Australia as Dr Barnes explains. Dr Barnes drkarl.com

Under current net zero plans, local renewables should directly supply 75% of our energy needs. What about the remainder? Dr Karl consults an engineer on why atomic reactors are a very poor choice for Australian conditions. Dr Barnes drkarl.com

Which planetary moons are the best? Space fanatic Kate Howells puts Dr Karl in orbit around some of our most interesting lumps of stuff. How will Earth's moon rate ? @SpaceKateH Drkarl.com

A shadow of Covid-19 lingers for many. Dr Karl continues his discussion with front-line clinician Professor Steven Faux. Good diagnosis and management offer some a healthy future. drKarl.com Long Covid

Poor health lingers after some Covid-19 infections. Dr Karl discusses the symptoms and solutions with a front-line Australian clinician as they delve into his book 'Long Covid'. drKarl.com Long Covid

Physics experiments, two centuries old, can still be used to probe matter and energy. Caitlin Thurn takes Dr Karl through the simple yet extraordinary results.

Dr Karl fact checks with Professor Lewis. What is the current understood state of the Universe and how close is the end ? Geraint F Lewis Dr Karl.com

Professor Clare Collins explains her ongoing research into one of the world's big killers - blood pressure. Prof Clare Collins Dr Karl

Dr Karl visits a list of stellar phenomena with interpretive help from radio astronomer Dr Laura Driessen. Topics include brown dwarfs, proper motion, Jumbos and Universal wobbles. https://astrolaura.com/ drkarl.com

Dr Karl investigates the science of rear emissions with a dietetics Professor Clare Collins. How much per day? What makes them smell? What makes them feel hot? Prof Clare Collins Dr Karl

Crops under attack, falling nutrition, viruses spread by Insects. Dr.Trebicki researches agriculture on a warming planet and the news is not great. Dr Karl addresses the myth that Carbon Dioxide is good for all plants. @PiotrTrebicki Dr Karl

Silicon 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

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 they are still being sprayed in Australia. Dr Sanchez-Bayo Dr Karl

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

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 Morgan X: @DrGMorgan Threads: @dr.gregory.morgan Blue Sky Social: @drgregorymorgan.bsky.social

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

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

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

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

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

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 Lewis

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 became a top killer. Dr Karl.com simonchapman6.com

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

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

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

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

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

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

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

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

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

How do Cosmologists measure Space-Time? Professor Lewis explains Einstein's clocks and the new cosmic ticks. DrKarl.com Geraint F Lewis

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

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

Stars & Cows with astrophysicist Prof Peter Tuthill & Wildlife Conservation Biologist Tiahni Adamson (356)

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

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

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

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

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

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

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

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

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