A new drink category has sprung up in your supermarket. The Labels say "Milk" but what's really inside ? On the internet you'll find all kinds of nice things being said, but some of these products have hidden health hazards. Loss of bone mass, weight gain and bad cholesterol buildup are some of them. Others are lousy value for money. Doctor Nick lists the healthy and economical choices for every diet. @drnickfuller www.intervalweightloss.com.au drkarl.com...
Jan 17, 2021•26 min•Season 4Ep. 3
International Health Workers witness daily tragedies . Sometimes they get sick too. Where are the science comedian without borders? Meet Alanta Colley. With many tales to years abroad, she talks of the parasites she's been infected with, those she's seen and read about. Does Dr Karl & Dr Alice test the formula "Tragedy+Time = Comedy". rpt
Jan 10, 2021•22 min•Season 4Ep. 2
When maths goes wrong in the real world , it can cost billions. Dr Karl quizzes Matt Parker on the mishaps with planes, bridges, drilling and PAC-MAN. From unboxing calculators for YouTube to why footballs should be donuts (if you believe the signs), this is Recreational Mathematics. A comedy of errors with some brilliantly told disaster stories. RPT drkarl.com
Jan 03, 2021•29 min•Season 4Ep. 1
Dr Karl has a thought experiment for Professor Lewis. What if you could travel at one Earth G (9.8 m/s^2). How far could you go in one human lifetime ? The answer and explanation will astound you.
Jan 02, 2021•23 min•Season 4Ep. 8
Jan 02, 2021•23 min•Season 5Ep. 1
Stars come in many sizes. Dr Karl visits the large and strange with Professor Lisa Harvey-Smith. The professor and Dr karl wrestle with "the Secret Life of Stars". drkarl lisaharveysmith
Dec 27, 2020•23 min•Season 3Ep. 47
How old is our sunlight ? What is our Sun made of ? Where do we rank in the stellar nursery ? Professor Lisa Harvey-Smith and Dr Karl wrestle with "The Secret Life of Stars". drkarl lisaharveysmith
Dec 20, 2020•27 min•Season 3Ep. 46
From star nurseries through physics and chemistry, the Kruszelnicki-Lewis explanation of the lot continue. Unashamedly from an Earthling perspective it is based on accepted 2020 theories. Professor Lewis confesses he's a Silurian. www.geraintflewis.com http://drkarl.com
Dec 13, 2020•25 min•Season 3Ep. 45
Dr Karl and Prof Lewis describe our universal beginnings Where did we come from? Where are we going? At a crossroad of Nordic and Celtic cultures this is the first part of a groundbreaking podcast. Universal Origins 101 http://drkarl.com www.geraintflewis.com
Dec 06, 2020•25 min•Season 3Ep. 44
Dr Karl has his mind blown by the Ergosphere. Black Holes reveal themselves as engine rooms of the Universe. Spinning Black Holes add another dimension. Who knew they spun? Who knew that made such a difference? Professor Geraint Lewis on the evolving science of darkness. www.geraintflewis.com http://drkarl.com
Nov 29, 2020•26 min•Season 3Ep. 43
Covid-19 has sparked global debate about the balance between commerce and the cost of health care. Does a life have a price ? If so, what is it ? Economist, Richard Denniss, talks Dr Karl through the Australian Government budget papers where a dollar value is listed. ( Note this varies around the world) drkarl.com
Nov 22, 2020•32 min•Season 3Ep. 42
Eating ethically may become compulsory. If climate change escalates as estimated, carbon-intensive animals and crops may need to be rationed. Food scientist, Professor David Julian McClements, is optimistic that solutions may be at hand. Could we engineer less carbonised food and design a healthier diet ? Dr Karl samples the future of food. drkarl.com
Nov 15, 2020•24 min•Season 6Ep. 1
Bernie Hobbs guests Shirtloads to talk about "Dr Karl's Surfing Safari through Science " with Dr Karl. His latest book has spiders, anuses and Black Holes. Nothing is off limits. It also includes pop-up Dr Karl holograms. Find out how. drkarl.com
Nov 09, 2020•19 min•Season 3Ep. 40
Could we feed a growing population, reduce greenhouse gases and improve sustainability at the same time? Professor David Julian McClements thinks so. He says nanotech foods have answers and they may even be healthier. Critics say , like GM crops, nanotech has to be low risk and beat consumer resistance. A nutrition revolution or frankenfood ? Dr Karl gets a taste of a future. Drkarl.com https://www.umass.edu/foodsci/faculty/d-julian-mcclements
Nov 08, 2020•18 min•Season 3Ep. 39
...and the 2020 Nobel Prize in Physics goes to - Black Hole Research - split three ways. 50% to Roger Penrose and his "robust prediction of Einstein's general theory of relativity". Andrea Ghez and Reinhard Genzel shared the rest for finding "a supermassive compact object at the centre of our galaxy". Dr Karl probes Prof. Lewis on what this means and why Black Holes have glowing rings. www.geraintflewis.com http://drkarl.com https://www.nobelprize.org/prizes/physics/2020/summary/...
Oct 25, 2020•25 min•Season 3Ep. 38
Is this real or a Simulation ? How much science and how much fiction is there in movies like the Matrix, Fantasia, Total Recall or Dark Star? Is this a rehearsal ? How might we tell ? Dr Karl does a 2020 reality check with Professor Geraint Lewis. www.geraintflewis.com http://drkarl.com
Oct 18, 2020•25 min•Season 3Ep. 37
Which stars shine brightest ? Professor Geraint Lewis tells Dr Karl about the ultra-shiny heavenly objects he has found. www.geraintflewis.com http://drkarl.com
Oct 11, 2020•29 min•Season 3Ep. 36
Sixty years ago Venus was our twin - tropical but possibly Earth-like. NASA's 1962 Mariner 2 mission blew that up . It showed Venus unfit for life - too hot with hostile chemistry. Glimmers of hope have recently appeared. Doctors Jess and Karl discuss life on Venus. With sharper instruments and more knowlege of Life - what are the chances? www.drkarl.com
Oct 04, 2020•20 min•Season 3Ep. 35
We are learning more about Black Holes with the latest detection Technology. Prof. Geraint Lewis tells Dr Karl about how we found black hole twins, how we know they are not identical and what it means for Einstein's predictions. www.geraintflewis.com http://drkarl.com
Sep 27, 2020•23 min•Season 3Ep. 34
Dr Karl probes Professor Lewis on the latest on Dark Matter. Is it evenly spread ? Are there Dark Halos ? Galactic contact - fact or fiction ? Big questions with the best answers we have at the moment. (Trigger Warning - ep includes Dark Light) www.geraintflewis.com drkarl.com
Sep 20, 2020•27 min•Season 3Ep. 33
An episode of colossal proportions on the shape of space. Your mind will be blown in multiple dimensions. Dr Jessica also explains to Dr Karl three ways the Universe can end. (Trigger warning : none have a restaurant and donuts are mentioned many times).
Sep 13, 2020•26 min•Season 3Ep. 32
Dr Karl visits Dr Nick for a health and diet check-up. In Covid times it is harder to stay in shape. Dr Fuller talks through the basics and what we can do to make healthy changes that last - whatever your age. Twitter: @drnickfuller Website: www.intervalweightloss.com.au More from Dr Nick include Fasting(164), Worst and Best(140), Salt(124), Fads(120), White Drinks(114 ) & Diet(86)
Sep 06, 2020•24 min•Season 3Ep. 31
Are "Goldilocks" zones overrated ? Can the mediocrity principle be overturned ? What about outer Galactic suburbs - are they the place to be ? Dr Karl and Prof Lewis discuss interstellar Real Estate and the best places to live. www.geraintflewis.com http://drkarl.com
Aug 30, 2020•28 min•Season 3Ep. 30
Speed limits are painful. So why is there a light speed limit on space travel (299,792km/s) ? Surely we can bend Einstein without breaking the Universe. Dr Karl (antigravity enthusiast) and Professor Geraint Lewis (real scientist) take it to the limit. How fast can we go ?
Aug 23, 2020•29 min•Season 3Ep. 29
Meet the Black Hole family. Dr Jessica Bloom takes Dr Karl through the three we've identified so far. So do they do more than suck ? Was Roger Penrose on the money when he suggested darkness as an energy source? The big questions are discussed in this second dark podcast.
Aug 16, 2020•19 min•Season 3Ep. 28
Extraordinary discoveries are being made in the galactic darkness. Dr. Jessica Bloom assembles the historical, theoretical and observational data that are causing a rethink of black holes. Why are they at the astrophysical crossroads ? And Dr Karl estimates our civilization's Kardashev ranking - how advanced are we ? Part 1 of a double black hole podcast. https://drkarl.com/ https://en.wikipedia.org/wiki/Kardashev_scale
Aug 09, 2020•17 min•Season 3Ep. 27
Entropy comes from the Greek word for transformation. It is often used to describe the irreversible evening-out of stuff. In astronomy it is often called "the Heat death of the Universe". Entropy originated with the centuries-old laws of thermodynamics. So how is Entropy holding up? Dr Karl and professor Geraint Lewis put it to the test. http://www.geraintflewis.com http://drkarl.com
Aug 02, 2020•24 min•Season 3Ep. 26
2020 is a milestone in space travel. The International Space Station received astronauts from a privately owned mission. So how do the USA's shuttle, Russia's Soyuz and Musk's Dragon stack up ? Doctor Karl and Professor Geraint Lewis review the modern history of human space flight. http://www.physics.usyd.edu.au/~gfl/ http://drkarl.com
Jul 26, 2020•22 min•Season 3Ep. 25
Ninety years ago we first measured the rate of our expanding Universe. Today our accuracy is better but the new techniques are producing different numbers. Are there gremlins in our measurements or is it the Universe travelling in unexpected ways ? Dr Karl and Prof Geraint Lewis discuss this huge question. http://www.physics.usyd.edu.au/~gfl/ http://drkarl.com
Jul 19, 2020•25 min•Season 3Ep. 24
First observed in 2007, FRBs are becoming a very useful astronomical tool. In 2020, flashes were analysed and suggested an answer to that age-old question about the Universe. Most of it is unobserved - so where is it hiding ? Dr Karl and Prof Lewis take a walk through the FRBs and Magnetars, the new phenomena making headlines . Drkarl.com https://theconversation.com/half-the-matter-in-the-universe-was-missing-we-found-it-hiding-in-the-cosmos-138569...
Jul 12, 2020•21 min•Season 3Ep. 23
